Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2007-09-10
2008-09-30
Lichtenstein, Lisa P (Department: 2916)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0577808
CLAIM:
The ornamental design for an electric fan, as shown and described.
REFERENCES:
patent: 2420209 (1947-05-01), Strom
patent: D329695 (1992-09-01), Lin
Chang Chih-Huang
Chen Shen-Yuan
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