Expired design patentArchive
Ribbon cartridge
US D274,178 S · Assignee: Aspen Ribbons, Inc. · Inventors: Schiffmacher; William 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 June 5, 1984. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 5, 1998.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 25, 1983
GrantedJune 5, 1984
Term endedJune 5, 1998
Application number06/488062
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.