Air purifier

Details Air purifier Air purifier

2008-05-06

2008-05-06

Zarfas, Louis (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0568452

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

REFERENCES:
patent: D323210 (1992-01-01), Wortham
patent: D350191 (1994-08-01), Tsuji
patent: D402746 (1998-12-01), Clark et al.
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patent: D430928 (2000-09-01), Lafond et al.
patent: D431557 (2000-10-01), Lutz et al.
patent: D433493 (2000-11-01), Runyan et al.
patent: D442270 (2001-05-01), Campbell et al.
patent: D451181 (2001-11-01), Miwa
patent: D468820 (2003-01-01), Smith et al.
patent: D476068 (2003-06-01), Carey et al.
patent: D488854 (2004-04-01), Stauffer
patent: 6911060 (2005-06-01), Kaylan et al.

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