Patent Yard Sign in
Expired design patentArchiveSolo inventor

Foot exerciser

US D577,441 S · Inventors: Burnett; John Seymour

USPTO PDF

Overview

4 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 September 23, 2008. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended September 23, 2022.
  • A design patent protects only how a product looks. We check US rights only.
FiledDecember 20, 2006
GrantedSeptember 23, 2008
Term endedSeptember 23, 2022
Application numberD/270345
Classification (CPC)—
Length6 pages

Sources & verification