Expired design patentArchive
Jamb frame extrusion
US D452,575 S · Assignee: Royal Group Technologies Limited · Inventors: Edger; Ronald Fredrick
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 December 25, 2001. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended December 25, 2015.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 30, 2001
GrantedDecember 25, 2001
Term endedDecember 25, 2015
Application numberD/141023
Classification (CPC)—
Length2 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.