Combined dust cover and air filter for a fan blade

Details Combined dust cover and air filter for a fan blade Combined dust cover and air filter for a fan blade

2008-07-15

2008-07-15

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

D0573244

CLAIM:
I claim the ornamental design for combined dust cover and air filter for a fan blade, as shown and described.

REFERENCES:
patent: 4753573 (1988-06-01), McKnight
patent: 4832572 (1989-05-01), Prucha et al.
patent: 4840650 (1989-06-01), Matherne
patent: D341881 (1993-11-01), Smith et al.
patent: 6779976 (2004-08-01), Carfagna et al.

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