Expired design patentArchive
Chair
US D277,908 S · Assignee: Executive Office Concepts · Inventors: Liisberg; Henrik
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 March 12, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 12, 1999.
- A design patent protects only how a product looks. We check US rights only.
FiledDecember 7, 1981
GrantedMarch 12, 1985
Term endedMarch 12, 1999
Application number06/327833
Classification (CPC)—
Length5 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.