Nikola Tesla U.S. Patent 1,061,142 - Fluid Propulsion Patent Wrapper Page 64

864 IN REMITTING THE FINAL FEE GIVE THE SERIAL NUMBER AT THE HEAD OF THIS NOTICE. ADDRESS ONLY THE COMMISSIONER OF PATENTS. WASHINGTON, D. C. Nikola Tesla, 2-181 DEPARTMENT OF THE INTERIOR UNITED STATES PATENT OFFICE 6-1641 Serial No. 523, 832. Sir: Your APPLICATION for a patent for an IMPROVEMENT in Fluid Propulsion, WASHINGTON March 24, 1915. filed Oct. 21, 1909 has been examined and ALLOWED. The final fee, TWENTY DOLLARS, must be paid not later than SIX MONTHS from the date of this present notice of allowance. If the final fee be not paid within that period, the patent on this application will be withheld, unless renewed with an additional fee of $15, under the provisions of Section 4897, Revised Statutes. The office delivers patents upon the day of their date, and on which their term begins to run. The printing, photolithographing, and engrossing of the several patent parts, preparatory to final signing and sealing, will require about four weeks, and such work will not be undertaken until after payment of the necessary fee. When you send the final fee you will also send, DISTINCTLY AND PLAINLY WRITTEN, the name of the INVENTOR and TITLE OF INVENTION AS ABOVE GIVEN, DATE OF ALLOWANCE (which is the date of this circular), DATE OF FILING, and, if assigned, the NAMES OF THE ASSIGNEES. have the patent issue to ASSIGNEES, an assignment containing a REQUEST to that effect, together with the FEE for recording the same, must be filed in this office on or before the date of payment of final fee. If you desire After issue of the patent uncertified copies of the drawings and specifications may be purchased at the price of FIVE CENTS EACH. The money should accompany the order. Postage stamps will not be received. Final fees will NOT be received from other than the applicant, his assignee or attorney, or a party in interest as shown by the records of the Patent Office. Respectfully, Kerr, Page, Cooner & Hayward, 149 Broadway,. New York, N. Y. EB Moore. Commissioner of Patents. BUNCERTIFIED CHECKS WILL NOT BE ACCEPTED.