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Acoustic foam sound reducer for vacuum power unit

US D494,331 S · Assignee: H-P Products, Inc. · Inventors: Nieschwitz; Darrell V. et al.

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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 August 10, 2004. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended August 10, 2018.
  • A design patent protects only how a product looks. We check US rights only.
FiledJuly 25, 2003
GrantedAugust 10, 2004
Term endedAugust 10, 2018
Application numberD/186987
Classification (CPC)—
Length5 pages

Timeline

Timeline From USPTO dates

2005200720092011201320152017Design grantedAug 10, 2004Term endedAug 10, 2018

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