Expired design patentArchive
Stackable chair
US D420,522 S · Assignee: Euro United Corporation · Inventors: Rhienen; Alphons van
Overview
3 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 February 15, 2000. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 15, 2014.
- A design patent protects only how a product looks. We check US rights only.
FiledMay 13, 1999
GrantedFebruary 15, 2000
Term endedFebruary 15, 2014
Application numberD/104931
Classification (CPC)—
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.