Expired design patentArchive
Combined guide and lock for a sliding window sash
US D248,625 S · Assignee: The Roesch Trust of which Lesley B. Roesch and Robert Patterson are · Inventors: Roesch; Edgar B.
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 July 25, 1978. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended July 25, 1992.
- A design patent protects only how a product looks. We check US rights only.
FiledJanuary 10, 1977
GrantedJuly 25, 1978
Term endedJuly 25, 1992
Application number05/757848
Classification (CPC)—
Length3 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.