Fan impeller

Details Fan impeller Fan impeller

2007-06-09

2008-03-04

Lichtenstein, Lisa (Department: 2916)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0563544

CLAIM:
The ornamental design for a fan impeller, as shown.

REFERENCES:
patent: 2201947 (1940-05-01), Valentine
patent: D532903 (2006-11-01), Hirata et al.

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