Expired design patentArchive
Portable crowd control barricade or the like
US D247,751 S · Assignee: Tubular Barriers Limited · Inventors: Appleby; William Edward
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 April 18, 1978. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended April 18, 1992.
- A design patent protects only how a product looks. We check US rights only.
FiledJune 29, 1976
GrantedApril 18, 1978
Term endedApril 18, 1992
Application number05/700832
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.