Patent Yard Sign in
Expired design patentArchive

String trimmer

US D580,237 S · Assignee: Black & Decker Inc. · Inventors: Bradford; Scott

USPTO PDF

Overview

5 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 November 11, 2008. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended November 11, 2022.
  • A design patent protects only how a product looks. We check US rights only.
FiledNovember 5, 2007
GrantedNovember 11, 2008
Term endedNovember 11, 2022
Application numberD/292974
Classification (CPC)—
Length6 pages

Sources & verification