Combined dust cover and air filter for a fan blade

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Description

FIG. 1 is a perspective view of a combined dust cover and air filter for a fan blade, showing my new design;

FIG. 2 is a front elevational view of the invention;

FIG. 3 is a rear elevational view of the invention;

FIG. 4 is a left-side elevational view of the invention, the right-side elevational view being a mirror image thereof;

FIG. 5 is a top plan view of the invention; and,

FIG. 6 is a bottom plan view of the invention.

The broken line showing of the fan blade and the fan blade iron is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
4753573 June 28, 1988 McKnight
4832572 May 23, 1989 Prucha et al.
4840650 June 20, 1989 Matherne
D341881 November 30, 1993 Smith et al.
6779976 August 24, 2004 Carfagna et al.
Patent History
Patent number: D573244
Type: Grant
Filed: Aug 8, 2007
Date of Patent: Jul 15, 2008
Inventor: Robin D. Rowe (Tampa, FL)
Primary Examiner: Lisa Lichtenstein
Application Number: 29/283,238
Classifications
Current U.S. Class: Fan Element (D23/411)