Expired design patentArchive
Speaker
US D520,494 S · Assignee: Yamaha Corporation · Inventors: Aiba; Nobushiro et al.
Overview
4 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 May 9, 2006. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 9, 2020.
- A design patent protects only how a product looks. We check US rights only.
FiledNovember 10, 2004
GrantedMay 9, 2006
Term endedMay 9, 2020
Application numberD/216873
Classification (CPC)—
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.