Expired design patentArchiveSolo inventor
Musical drum
US D242,875 S · Inventors: Clements; Albert J. et al.
Overview
The published document from the USPTO: abstract, claims, description. Open it full size
Read the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 28, 1976. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended December 28, 1990.
- A design patent protects only how a product looks. We check US rights only.
FiledNovember 14, 1974
GrantedDecember 28, 1976
Term endedDecember 28, 1990
Application number05/523699
Classification (CPC)—
Length2 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.