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Heart valve stiffening ring

US D471,981 S · Assignee: Republic Medical Products Inc. · Inventors: Reif; Thomas H.

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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 March 18, 2003. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended March 18, 2017.
  • A design patent protects only how a product looks. We check US rights only.
FiledSeptember 3, 1997
GrantedMarch 18, 2003
Term endedMarch 18, 2017
Application numberD/076617
Classification (CPC)A61F2/2409
Length3 pages

Timeline

Timeline From USPTO dates

2004200620082010201220142016Design grantedMarch 18, 2003Term endedMarch 18, 2017

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