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Air heater

US D615,641 S · Assignee: Rinnai Corporation · Inventors: Maegawa; Katsunori et al.

USPTO PDF

Overview

18 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 May 11, 2010. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended May 11, 2024.
  • A design patent protects only how a product looks. We check US rights only.
FiledSeptember 24, 2009
GrantedMay 11, 2010
Term endedMay 11, 2024
Application numberD/344151
Classification (CPC)—
Length19 pages

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