Tesla patent drawings

Nikola Tesla Patents

Tesla was granted nearly 200 patents worldwide
) N. TESLA. APPARATUS FOR TRANSMITTING ELECTRICAL ENERGY. APPLICATION FILED JAN. 18, 1902. RENEWED MAY 4, 1907. 1,119,732. PWITNES NESSES: M. Benjamin Miller. B H Patented Dec. 1, 1914. B -P Nikola

698 Fig. 2. 16.3. Figs. WITNESSES В. башат дуел Benjamin Miller. D -B 3 Fig. 1. INVENTOR, Nikola Tesla BY Kerr, Page & Cooper, his ATTORNEYS.

) 3 1902 CONTENTS: Print Apr. 2.3-1.2.9.3.5. pplication & A $2. 2-421. ...paper blola 18 19.02 Mich: 14,1203 - div. Alig for beindu We ayer 1.6.1.9.0.3.— Amendt AApr 15-1904. Ref Apr 25.-1.9.04Adindt

700 wards to be stricken out or inserted in the application must be specified and the preciso point indicated where the at the exact ward or bo on sheets of paper soparate from the papers proviously

( J J ITALIL Room 91. Application of Nikola Tesla, Apparatus for Transmitting Electrical Energy through the Natural Media, filed January 18, 1902, Serial No. 90,245. Hon Commissioner of Patents

702 avoids altogether. The Office draftsman will be directed to furnish the additional illustration required by the Examiner. Respectfully submitted. Kerr, Paqes Cooper 371 14 -2

( T F 1 1 Room No. 91... 43 communications should be cadressed to "The Commusioner of Patents, Washington, D. C." Nikola Tesla, c/o Kerr, Page & Cooper, #120-Broadway, 2-260. DEPARTMENT OF THE

704 a 00M APR 15 1904 ENT OF SPATE Room 109. Application of Nikola Tesla, filed January 18th, 1902, Serial No. 90,245, Apparatus for Transmitting Electrical Energy Through the Natural Media. Hon

1 Sub. Ho' A fer (Sub Spec To all whom it may concern:- Be it known that I, Nikola Tesla, a citizen of the United States, residing at the Borough of Manhattan, in the City, County, and State of New

706 Pur E large. The chief of these are due to the fact that an increase of the capacity entails a lowering of the frequency of the impulses or discharges and a diminution of the energy of vibration

1 T T 3 1 applied in many ways, as will be seen from the accompanying drawing, in which Fig. 1 is a sectional view of a free terminal and the upper portion of its support; Figs. 2, 3 and 4 are

708 a single shell, notwithstanding its small linear dimensions and capacity. The wire c should be heavily insulated, for it will be charged to a much greater density than the terminal, and outside of


710 Canceled per c Per B The frame is carried by a strong platform which is expressly provided for safety appliances, instruments of observation, and which in turn rests on insulating supports F F

Perd Per c the circuit, as I have specified in my original patents before referred to. The adjustments should be made with particular care when the transmitter is one of great power, not only on

712 smaller Per B 11 4 protruding more or less beyond the others (in which case they may be of larger curvature) so that, should the pressure rise to a value, beyond which it is not desired to go, the

) ) ) Canceled perc.. Canceled peric The lower end of the coil B -which, if desired, may be extended up to the terminal Dshould be somewhat below the upper most turn of coil A. This, I find, lessens

714 Canceled. per . c The principal object of my present improvements is to provide a circuit, more especially a freely vibrating or resonating circuit which, while of comparatively small linear

() 1 7 [ Y Рел с boundaries. bounderies of a circuit of definite linear dimensions and capacity the greatest possible area. The charged surface being large, a considerable quantity of electricity may

716 Insept D Per 73 Insert D2 Having described my invention and some of the uses to which it may be advantageously applied, I claim: Inseil 24 Per D 1. The means described for preventing leakage of a

J 1 J J T Per Di Insert DInsert Dr Per D Insert 27 Per D D di Inseit & 8 Subs. B Per D 8. An electric terminal for a resonating circuit composed of a plurality of sections or elements connected

718 dol Per 7 1 "I D curvature, as set forth. 16. A freely vibrating or resonating circuit having a plurality of capacity elements arranged in proximity to each other and in surfaces of large

J ( E 1 1 1 ( 1 1 1) Per 13 ...D D lation. to a second circuit, and another part adapted for raising the tension by resonance, the outermost conducting surfaces. boundaries of the latter part being

720 DivXVI. Roor109. A communicatums should be addressed o "The Commissioner of Patanti, Washington, D. C." Nikola Tesla, 15, 1904. tension. C.E.N. c/o Kerr, Page & Cooper, 120 Broadway, 2-260

JUDODICI MAR Per Fr 78 peckt. canceled J 11 D 33 B Hon. Commissioner of Patents, 2 Division 16, Roo:n 109. Application of Nikola Tesla, Serial No. 90,245, filed January 18th, 1902, Apparatus for

722 Per D Insert F7 Per F D Imail 2.10 Per D. uniform, as set forth. 30. A high potential circuit of relatively small linear dimensions, the outer boundaries of which constitute a relatively A large

Per D D " " Per D "1 ..D Per D A resonating circuitor high potential, anks for prea portion of which comprised Denting leakage of electricit! consisting of coiled cona ductor the turns of which are

724 Per D 11 . D D D D Inzeil D12 Ver D sions, a self-inductor joined in series with an energizing circuit and having its outer boundaries arranged in a manner to prevent, on any of them, an excessive

303 LULELOCIDCCCCJUJUCI specification relating to applicant's co-pending application, Serial No. 43,368 for the reason that a reference to this case is helpful in ariving at a correct understanding

726 1907 SPATENT OF 198 Your petitioner, Nikola Tesla, a citizen of the United States and a resident of the City, County and State of New York, whose Post Office address is Waldorf-Astoria, New York

JL) LD LICEJ C3 C3 CLUJ GJ GJ GJU à' (Sub Space) Sub. H сва (1 vifu To all whom it may concern:- Be it known that 1, Nikola Tesla, a citizen of the United States, residing at the Borough of Manhattan

728 low pressure, there are disadvantages met with in many cases when the capacity of the terminal is made too large. chief of these are to be found in the fact that the increase 1 of capacity

ODELILILJELIL 13 C3 C300GDCJUJ Fig. 1 is a sectional view of a terminal and the upper portion of its support in a form which is generally typical of the invention. Figs. 2, 3 and 4 are sectional views

730 A modified embodiment of the invention is illustrated in Fig. 2, in which d' represents a terminal in the form of a cylinder, which is mounted on an insulating support b' and connected to the

JLJJ) L 3 13 13 LJUDICTUJUJULIJ When practical conditions render it necessary to use a larger terminal than can be conveniently made of one piece of metal or with a perfectly smooth and unbroken

732 dition is established when the apparatus is at work, that is to say, that the terminal D is charged to the maximum pressure developed in the circuit, The adjustment should be made with particular

JUDECRECHOQJ0LCJJJLJCI together. I have discovered that when so wound the effect of the small curvature of the wire itself is overcome and the co11k behaves as a conductor of a large radius of

734 Having described my invention and some of the uses to which it may be advantageously applied, I claim: 1. The means described for preventing teakage of high tension electricity, comprising a

33 JLILI 13 JUCJELJILI LILJE LJ under side, as set forth. 8. An electric terminal for high tension currents composed of a plurality of sections or elements connected together at points of low

736 Div. XVI. Room... 109. All communications should be addressed to "The Commissioner of Patents, Washington, D. C." Nikola Tesla, C.E.N. DEPARTMENT OF THE INTERIOR, UNITED STATES PATENT OFFICE

T # 371,817. Lines 8 to 12, page 10, must be canceled for reasons similar to those just stated. The spelling of "boundaries" at the top of page 11 should be corrected. 2. The alternatives in many of

738 #371,817. Ducretet's Notice Generale sur les Courants de Haute Fréquence et de Haute Tension, published at Paris under date December, 1900. A copy of this publication can be seen at Room 109

} T L T J 1 J T T # 371,817. corrected as indicated earlier in this letter. For example, in claim 9, line 3, "large" should be small; and in claim 15, line 2, "surfaces" should be a surface. 4

740 00 S. PATENT Apm! Division VI, Room 109. Application of Nikola Tesla, Ser. No. 371,817, filed May 4, 1907, for Apparatus for Transmitting Electrical Energy through the Natural Media. Hon

1 1 J T where the natural perios of a circuit is meant is a common usage in scientific works. Regarding the coil B, as described on page 8, beginning line 16, it seems clear that the coil should

742 is not true in applcant's invention. The Oudin resonator is an improvement of the applicant, and has been described by him long before the publication referred to by the Examiner. See applicant's

J J J T T 1 J 1 1 1 Div. XVI Room.. 109 All communications should be added in "The Commissioner of Patents, Washington, D, C." Nikola Tesla, 3-260. Paper No... 10 All comunications respecting this

744 371,817 - 2. Claims 13, 14, 28 to 34, inclusive, and 36 to 45, inclusive, are rejected on the ground that each is functional; said claims should be amended to include positively the essential

1 1 T T 1 J 1 { THOMAS 3 ERR PARHEP 25 DRURY W COOPER JOHN CAVPBELL KEAR 3. HAYWARD STURGES S DUNHAM Sir: S PATENT Hon. Commissioner LAW OFFICES OF CKERR. PAGE. COOPER & HAYWARD. ACCOUNS AUG 27 1909

746 D puff. Per F Per Ji 83 Per F OFFIC Div. 16, Room 109. Application of Nikola Tesla, Serial No. 371,817, renewed May 4, 1907. Apparatus for Transmitting Electrical Energy through the Natural Media

1 T 1 T Per Pri Per for supporting the same Claim 7, line 3, cancel or under" Claim 8, line 2, cancel "sections or" Claim 9, line 1, cancel "An electric terminal for a resonating circuit" and insert

748 88 Per Fr of a large charge without leakage, line 4, before "as" insert: to permit the accumulation ✓Claim 13, line 3, cancel "in a manner". L Claim 14: Line 2, cancel "which" and insert: are

وه Per Ji D10 Per Fi Line 3, before "large" insert: relatively Same line, cancel "in a manner" Lines 4 and 5, cancel "as above specified" and insert: to permit the accumulation of a large charge, as

750 Per Fr Same line, cancel "in such manner as " Last line, before the comma following "charge" insert: there on and thereby permit the accumulation of a great charge, "surface" Line 3, cancel the

Per figuration" 2, cancel or other" and insert: In Line 3, after "and" insert: having relatively ✔Line 4, cancel the commas after "surface" Same line, cancel "the latter being" Claim 45: V Line 2

752 specify "one or more" means a mere duplication of such parts. This mode of expression has always been permissible under the Patent Office practice. Similarly in claims 38 and 39, (former 39 and 40

C ( ) Moreoever, each of the claims calls for a circuit, in which the surface density is substantially uniform; but the inclusion of the Faraday condenser in "the well known oscillating circuit" would

754 عصر کا نے سعو

(-) J } }) F J 1 3 Div. XVI Room 109 All communications should be addressed to "The Commissioner of Patenta, Washington, D. C." Nikola Tesla, 27, Paper No... 12 All communications respecting this

756 371,817 - 2. applicant refers to the small elements p as being surfaces of large curvature. This expression is correct, but the former is not. Applicant is urged to carefully review the

J 200 Division 1 Room 109. Application of Nikola Tesla. Ser. No. 371,817, filed May 4, 1907. Apparatus for Transmitting Electrical Energy Through the Natural Media. Hon. Commissioner of Patents, Sir

758 where such correction would be needed might be overlooked and the specification would contain conflicting uses of the terms, leading to series confusion. However, if the Examiner insists we will

Div...XVI. Room ...109 Abtress only "The Commissioner of Patonta, Washington, D. C." ikola Tesla, F.I. DEPARTMENT OF THE INTERIOR UNITED STATES PATENT OFFICE 2-260 c/o Kerr, Page & Cooper, 149

760 371,817 2. bring into this claim 23 some statement to the effect that the surface as a whole has small curvature, but that the individual elements supported on this surface have large. curvature

313 (333JJJ CILJCI F Division 16; Room 109. Application of Nikola Tesla, Ser. No. 371,817, filed May 4, 1907. Apparatus for Transmitting Electrical Energy through the Natural Media, renewal of 90,245

762 grounds noted in the last official letter, as will be seen by comparing the two claims with each other. The statements with regard to the curvature of the part by which the tension is raised by

( 7' for fische H Sub. H' TO ALL WHOM IT MAY CONCERN: Be it known that I, Nikola Tesla, a citizen of the United States, residing at the Borough of Manhattan, in the City, County and State of New York

764 that an increase of the capacity entails a lowering of the frequency of the impulses or discharges and a diminuation of the energy of vibration. This will be understocd when it is borne in mind

18. Fig. 1 is a sectional view of a free terminal and the upper portion of its support; fig. 2, 3 and 4 are sectional view of devices modified in details, and fig. 5 is a view in elevation and part

766 and outside of the latter it should be, preferably, kept away from the insulating support b to avoid sparks and danage It may be useful to remark that rubber insulation should not be employed, as

1 OLDU tion is called to the fact that the streamers, issuing from the wire, are apt to gradually heat the support and thus impair its insulating qualities or else, by slowly crawling over its surface

768 Per & Apart of the improvements which form the subject of this specification, the transmitting circuit, in its general features, is identical with that described and claimed in my original patents

] J T J J J رجمه سومی ...G G borne in mind, that the entire energy accumulated in the excited circuit, instead of requiring, as under normal working conditions, one quarter of the period or more for

770 Per & 1 the small radius of curvature of the wire itself is overcome and the coil behaves as a conductor of large radius of curature, corresponding to that of the drum. This feature is of

J 1 J ] 3 J T I Per G Per & 3 ..... For itions entirely disregarding and quite incapable of fulfilling, the cardinal requirements of my invention. these reasons alone, neither in their particular

772 Per & G ..xy 31 density, as set forth. The combination with a resonating circuit, of an electric terminal, therefore having a relatively large radius of curvature, and an insulating support

r T J 1 Per I ... G Pei G to produce a sensibly uniform electric surface-density, as set forth. 14 A circuit whose outermost conducting boundaries constitute a large area and are adapted by

774 -22. A circuit comprising a part upon which the impulses or oscillations of a scurce are impressed and another part for raising the tension by rescnance, the outermost boundaries of the latter

1 Per & curvature, as set forth. 28. A, oscillating circuit of high potential, having its outer conducting boundaries arranged to cause a sensibly uniform distribution of the free electric charge, as

776 Per G Sub & 34. In apparatus for the transmission of electrical energy through the natural media, a resonating circuit connected to ground and to an elevated terminal, and having its outer

1 Sub & 2 Per G& 41. In apparatus for the production of powerful electrical oscillations, a self-inductor joined in series with an energizing circuit and a free terminal of the kind described, and

778 Div.16Room 109 Aldress only "The Commissioner of Patents, Washington, D. C." Nikola Tesla, 2-199 F.H. DEPARTMENT OF THE INTERIOR UNITED STATES PATENT OFFICE c/o Kerr, Page & Cooper, 149 Broadway


780 371,817 3. Claims 11 to 21, inclusive, are rejected upon Kinraide. In this reference is disclosed the edvantage of surfaces of a large radii of curvature at terminal points to permit of the

) } (. ) ) 7 371,817 4. There been amended so that they are no longer functionel many of them will not be patentable over others. is at present a needless number of claims in the case, the alleged

782 per MALL Sir:- 2.00M DFC 27. Div. 16, Room 109, Application of Nikola Tesla, Ser. No. 371,817, filed May 4, 1907. Apparatus for Transmitting Electrical Energy through the Natural Media. Renewal of

V intention described in patent 676,583 to Kinrade has nothing in common with that of the applicant. It is absolutely essential in the latter case that the curved surface be insulated in the manner

784 م کیا اس سے اگر Cancel claim 6, A to claim 7, reconsideration is respectfully requested. to The structure referred by the Examiner in connection with claim 6 hardly seems to meet claim 7. With

C J ) ) 31 3 E 1 } کے کرنے سے ہی کر 2 tion. It is therefore submitted that claims 11 and 12 which specifically call for a "resonating circutt" are already differentiated with sufficient clearness from

786 the radius of curvature so as to prevent any excessive rise of the electric surface density on any portion of the circuit, as set forth. Cancel claim 41 and insert: 22. 20. An apparatus for the

J 1 E 1 } J T J ) 1 1 Div... 16 Room 109 Addrem only "The Commissioner of Patente, Washington, D. C." 2-480 c6-2631 F.H. Messrs.. Kerr, Page and Cooper.. 149.. Broadway... DEPARTMENT OF THE INTERIOR

788 371,817 2. cuit in which the charge is oscillating. It is immaterial so far as the protective action of the terminal is concerned whether the charge is at rest or rapidly oscillating. A copy of

371,817 -- 3. Figure 1. See lines 47 to 51, page 2, of this reference. If resonance plays a small part in reising the tension in this oscillating circuit, a point which is not clearly brought out in

790 N 35 H Division 16, Room 109, Appn. of Nikola Tesla, Serial No. 371,817, Filed May 4th, 1907, Apparatus for Transmitting Electrica Energy through the Natural Media, renewal of 90,245. Hon

} 1 12971 Leyden jars at the extreme ends of the coatings where the density is greatest, and such an electrode as that of Kinraide would be useless for the purpose of the applicant. It will be

792 the amendment last submitted all objections to the allowance of the claims had been removed. The new specifi cation submitted contains but those passages of the previous text which are

} 12973 TO ALL WHOM IT MAY CONCERN: Be it known that I, Nikola Tesla, a citizen of the 226 United States, residing the porough of Manhattan, in the city, county, and State of New York, have invented

794 is made too large. The chief of these are due to the fact that an increase of the capacity entails a lowering of the frequency of the impulses or discharges and a diminuation of the energy of

1 1 [ J J ( Per Eda Ande 12975 pagpat the figure is Referring to the accompanying drawing, & view in elevation and part section of an improved free. terminal and circuit of large surface with

796 12976 source of currents G, which may be an alternator or condenser, the important requirement being that the resonant condition is established, that is to say, that the terminal D is charged to

1 T 1 T T Per Efs Amote 62 the apparatus has been brought under perfect control. To increase the safety, I provide on a convenient place, preor ferably on terminal D, one of more elements or plates 1

798 12979 4. As a means for transmitting electrical energy to a distance through the natural media a grounded resonant circuit, comprising a part upon which oscillations are impressed and another for

T J T 1 1 1 T ductor the outer conducting boundaries of which are in proximity to each other and arranged in surfaces of large radii of curvature, substantially as described. In apparatus for the

800 THOMAS. KERR PARKER W. PAGE. ORURY W COOPER, JOHN CAMPBELL KERR J. B. HAYWARD. STURGES S. DUNHAM, WILLIAM BOHLEBEN. THOMAS J. BYRNE. Sir:- LAW FFICES OF KERR. PAGE. COOPER & HAYWARD. Hon