Helicopter ceiling fan

Details Helicopter ceiling fan Helicopter ceiling fan

2006-11-14

2006-11-14

Lichtenstein, Lisa (Department: 2916)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0532096

CLAIM:
The ornamental design for a helicopter ceiling fan, as shown and described.

REFERENCES:
patent: D287518 (1986-12-01), Ohno
patent: D294604 (1988-03-01), Shibukawa
patent: D295430 (1988-04-01), Smith
patent: D341194 (1993-11-01), Reid et al.
patent: D359553 (1995-06-01), Hsi
patent: D374926 (1996-10-01), Sheh

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