Expired design patentArchive
Surface pattern for cookware
US D413,763 S · Assignee: E. I. du Pont de Nemours and Company · Inventors: Batzar; Kenneth
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 September 14, 1999. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 14, 2013.
- A design patent protects only how a product looks. We check US rights only.
FiledDecember 14, 1995
GrantedSeptember 14, 1999
Term endedSeptember 14, 2013
Application numberD/047921
Classification (CPC)—
Length2 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.