Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2011-03-22
2011-03-22
Lichtenstein, Lisa P (Department: 2917)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0634833
CLAIM:
The ornamental design for the cooling fan, as shown and described.
REFERENCES:
patent: D246796 (1977-12-01), Laymon et al.
patent: D446295 (2001-08-01), Williams et al.
patent: D507343 (2005-07-01), Chiu et al.
Borg-Warner Inc.
Lichtenstein Lisa P
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