Air purifier

Details Air purifier Air purifier

2011-05-09

2011-12-13

Muller, David (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0650474

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

REFERENCES:
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patent: D550343 (2007-09-01), Chen
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patent: D606184 (2009-12-01), Chiu
patent: D613387 (2010-04-01), Satou
patent: D621019 (2010-08-01), Kim et al.
patent: D624169 (2010-09-01), Lee et al.
patent: D634829 (2011-03-01), Niki
patent: D635655 (2011-04-01), Chen et al.

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