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   Frick Clock

Patent Drawings

General Information 

Fred Frick was awarded two patents for his clock. Patent No. 535,948 on March 19, 1895 and Patent No. 551,375 on December 17, 1895.  Before 1870, anyone applying for a patent had to submit a model of their invention. Since 1870 drawings, the written application, a declaration stating that you are the inventor, and detailed descriptive information are the items usually required. There are fees that must be paid to file for a patent. See the section on the types of acceptable drawings for patents and "What is a Patent" for more information. View images of the original patents that are copyrighted by the Franklin Institute Science Museum.

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Carla Schutte, Mike Lipinski, Susan Silverman
Gail Watson, Tammy Payton
March 2000