Expired design patentArchive
Surface treating article retainer system
US D394,530 S · Assignee: Minnesota Mining and Manufacturing Company · Inventors: Roeker; David C.
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 May 19, 1998. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 19, 2012.
- A design patent protects only how a product looks. We check US rights only.
FiledMarch 28, 1997
GrantedMay 19, 1998
Term endedMay 19, 2012
Application numberD/068814
Classification (CPC)—
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.