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Expired design patentArchiveSolo inventor

Air cleaner apparatus

US D436,159 S · Inventors: Gutmann; Rudolf

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1 drawing sheet

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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 January 9, 2001. A US design patent lasts 14 years from grant (15 if filed from May 13, 2015), so this one ended January 9, 2015.
  • A design patent protects only how a product looks. We check US rights only.
FiledJuly 16, 1998
GrantedJanuary 9, 2001
Term endedJanuary 9, 2015
Application numberD/090842
Classification (CPC)—
Length2 pages

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