Expired design patentArchive
Brush
US D631,663 S · Assignee: Chef'n Corporation · Inventors: Krus; Matthew et al.
Overview
7 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 1, 2011. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 1, 2025.
- A design patent protects only how a product looks. We check US rights only.
FiledAugust 19, 2008
GrantedFebruary 1, 2011
Term endedFebruary 1, 2025
Application numberD/323136
Classification (CPC)—
Length8 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.