Patent Yard Sign in
Expired design patentArchive

Combined smoking pipe with rotatable bowl and key chain support

US D408,581 S · Assignee: Sandbar Wholesale Trust · Inventors: Barmes; Marvin L.

USPTO PDF

Overview

2 drawing sheets

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 April 20, 1999. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended April 20, 2013.
  • A design patent protects only how a product looks. We check US rights only.
FiledNovember 18, 1997
GrantedApril 20, 1999
Term endedApril 20, 2013
Application numberD/079895
Classification (CPC)—
Length3 pages

Sources & verification