Expired design patentArchive
Tire tread
US D430,833 S · Assignee: Bridgestone/Firestone Research, Inc. · Inventors: Allison; William B.
Overview
4 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 September 12, 2000. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 12, 2014.
- A design patent protects only how a product looks. We check US rights only.
FiledOctober 26, 1999
GrantedSeptember 12, 2000
Term endedSeptember 12, 2014
Application numberD/112878
Classification (CPC)—
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.