Air purifier

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

Design Patent

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Details

Design Patent

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D0643520

CLAIM:
The ornamental design for an air purifier, as shown and described.

REFERENCES:
patent: D521135 (2006-05-01), Kita
patent: D564645 (2008-03-01), Shapiro
patent: D583450 (2008-12-01), Choi
patent: D586451 (2009-02-01), Murai
patent: D594948 (2009-06-01), Lewis
patent: D595825 (2009-07-01), Ohta et al.
patent: D599456 (2009-09-01), Choi
patent: D603497 (2009-11-01), Choi
patent: D605272 (2009-12-01), Chun et al.
patent: D607551 (2010-01-01), Catrino
patent: D608433 (2010-01-01), Murai et al.
patent: D608434 (2010-01-01), Niki
patent: D613386 (2010-04-01), Niki et al.
patent: D625398 (2010-10-01), Choi
patent: D634828 (2011-03-01), Nakamura

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