Patent Yard Sign in
Expired design patentArchive

Blade for surgical knife

US D248,166 S · Assignee: Feather Kogyo Kabushiki Kaisha · Inventors: Kanai; Ryoji

USPTO PDF

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 13, 1978. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended June 13, 1992.
  • A design patent protects only how a product looks. We check US rights only.
FiledAugust 27, 1975
GrantedJune 13, 1978
Term endedJune 13, 1992
Application number05/608403
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

1979198119831985198719891991Design grantedJune 13, 1978Term endedJune 13, 1992

Sources & verification