Patent Yard Sign in
Expired design patentArchive

Pharmaceutical tablet

US D263,172 S · Assignee: Pfizer Inc. · Inventors: Payne; Kenneth J.

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 February 23, 1982. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 23, 1996.
  • A design patent protects only how a product looks. We check US rights only.
FiledSeptember 18, 1979
GrantedFebruary 23, 1982
Term endedFebruary 23, 1996
Application number06/076589
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

1983198519871989199119931995Design grantedFeb 23, 1982Term endedFeb 23, 1996

Sources & verification