Expired design patentArchive
Loudspeaker housing
US D531,986 S · Assignee: Toa Kabushiki Kaisha/Toa Corporation · Inventors: Azumi; Shin 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 November 14, 2006. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended November 14, 2020.
- A design patent protects only how a product looks. We check US rights only.
FiledFebruary 7, 2005
GrantedNovember 14, 2006
Term endedNovember 14, 2020
Application numberD/223107
Classification (CPC)—
Length8 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.