Patent Yard Sign in
Expired design patentArchive

Writing instrument

US D280,421 S · Assignee: The Parker Pen Company Limited · Inventors: Giugiaro; Giorgetto

USPTO PDF

Overview

1 drawing sheet

Every sheet is in the USPTO PDF.

Open the USPTO PDF

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 3, 1985. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 3, 1999.
  • A design patent protects only how a product looks. We check US rights only.
FiledMay 23, 1983
GrantedSeptember 3, 1985
Term endedSeptember 3, 1999
Application number06/497406
Classification (CPC)—
Length2 pages

Sources & verification