Air purifier

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

Design Patent

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Design Patent

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29252993

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

REFERENCES:
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patent: D388510 (1997-12-01), Rick et al.
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patent: D532879 (2006-11-01), Ching
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patent: 2005/0132681 (2005-06-01), Chu
patent: 1183617 (2003-09-01), None
patent: 1248973 (2005-08-01), None
patent: 30-0357135 (2004-07-01), None

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