Science on the 22nd of December 1924 in history

Science

Date	Type	Text
22 Dec 1924 Edison patent	science	Edison patent In 1924, Thomas A. Edison was issued a U.S. design patent for a "Design for a Phonograph Cabinet." (Design patent No. 69068). In addition to a front and side elevation, the patent showed an enlarged portion of the front elevation showing more clearly the details of one of the panels or grilles. The design patent covers the ornamental design for a phonograph cabinet as shown for a term of 14 years. A design patent protects only the appearance of the article and not structural or utilitarian features.	0

21st December 1924 23rd December 1924

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Science on the 22nd of December 1924 in history

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