Patent Yard Sign in
Expired design patentArchive

Electric driver for screw or the like

US D474,086 S · Assignee: Choon Nang Electrical Appliance Mfy., Ltd. · Inventors: Heun; Ping Hay

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 May 6, 2003. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 6, 2017.
  • A design patent protects only how a product looks. We check US rights only.
FiledApril 4, 2002
GrantedMay 6, 2003
Term endedMay 6, 2017
Application numberD/158334
Classification (CPC)—
Length10 pages

Timeline

Timeline From USPTO dates

2004200620082010201220142016Design grantedMay 6, 2003Term endedMay 6, 2017

Sources & verification