Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2000-05-25
2001-05-15
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0442270
CLAIM:
The ornamental design for an air purifier, as shown and described.
REFERENCES:
patent: D. 392731 (1998-03-01), Hulsebus et al.
patent: D. 402022 (1998-12-01), Termeer et al.
patent: D. 402745 (1998-12-01), Termeer et al.
patent: 5893939 (1999-04-01), Rakocy et al.
patent: 6017375 (2000-01-01), Duell et al.
Campbell Christopher P.
DeBord Jeffery T.
Greer Alan D.
Kopczewski Michael
Mallard Murray M.
Denklau Andrea Powers
Lichtenstein Lisa
Rice Robert O.
Van Winkle Joel M.
Whirlpool Corporation
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