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Unidirectional, high torque open end wrench head

US D437,536 S · Assignee: Proprietary Technologies, Inc. · Inventors: Macor; Richard J.

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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 February 13, 2001. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended February 13, 2015.
  • A design patent protects only how a product looks. We check US rights only.
FiledFebruary 8, 1999
GrantedFebruary 13, 2001
Term endedFebruary 13, 2015
Application numberD/100295
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

2002200420062008201020122014Design grantedFeb 13, 2001Term endedFeb 13, 2015

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