Expired design patentArchive
Floor drain
US D280,925 S · Assignee: Drainage Products, Inc. · Inventors: Farnen; James M.
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 October 8, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended October 8, 1999.
- A design patent protects only how a product looks. We check US rights only.
FiledDecember 21, 1982
GrantedOctober 8, 1985
Term endedOctober 8, 1999
Application number06/451967
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.