Expired design patentArchive
Screwdriver
US D276,128 S · Assignee: Pioneer Hand Tools Industrial Co. · Inventors: Lee; Peter
Overview
3 drawing sheets
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead 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 October 30, 1984. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended October 30, 1998.
- A design patent protects only how a product looks. We check US rights only.
FiledJune 22, 1982
GrantedOctober 30, 1984
Term endedOctober 30, 1998
Application number06/390996
Classification (CPC)—
Length5 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.