Expired design patentArchive
Chair with cross frame chassis
US D609,489 S · Assignee: Royal Seating, LLC · Inventors: Adams; Sumner 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 February 9, 2010. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 9, 2024.
- A design patent protects only how a product looks. We check US rights only.
FiledMarch 1, 2007
GrantedFebruary 9, 2010
Term endedFebruary 9, 2024
Application numberD/277572
Classification (CPC)—
Length8 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.