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Nine blade drill bit

US D403,003 S · Assignee: Dresser Industries, Inc. · Inventors: Arfele; Robert W. et al.

USPTO PDF

Overview

7 drawing sheets

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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 December 22, 1998. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended December 22, 2012.
  • A design patent protects only how a product looks. We check US rights only.
FiledMarch 5, 1998
GrantedDecember 22, 1998
Term endedDecember 22, 2012
Application numberD/084544
Classification (CPC)—
Length9 pages

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