Air purifier

Details Air purifier Air purifier

2008-07-01

2008-07-01

Snapp, Sandra (Department: 2915)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

29290188

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

REFERENCES:
patent: 1737532 (1929-11-01), Allen
patent: 4279373 (1981-07-01), Montealegre
patent: D295217 (1988-04-01), Glucksman
patent: D307050 (1990-04-01), Glucksman et al.
patent: D322668 (1991-12-01), Hanko et al.
patent: D323884 (1992-02-01), Muderlak
patent: D324098 (1992-02-01), Ragonesi
patent: D366521 (1996-01-01), Wijaranakula
patent: D378126 (1997-02-01), Williams
patent: D396275 (1998-07-01), Pearson
patent: D495409 (2004-08-01), Ke
patent: 2006/0104868 (2006-05-01), Saxon et al.

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