Expired design patentArchive
Fountain pen
US D266,258 S · Assignee: A. T. Cross Company · Inventors: Lockwood; Arnold G. et al.
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 September 21, 1982. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 21, 1996.
- A design patent protects only how a product looks. We check US rights only.
FiledApril 9, 1980
GrantedSeptember 21, 1982
Term endedSeptember 21, 1996
Application number06/138601
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.