Fan blade

Description

FIG. 1 is a perspective bottom view of a fan blade in use.

FIG. 2 is a perspective top view of the fan of FIG. 1.

FIG. 3 is a bottom view of the fan of FIG. 1.

FIG. 4 is a top view of the fan of FIG. 1.

FIG. 5 is a front side view of the fan of FIG. 1.

FIG. 6 is a rear side view of the fan of FIG. 1.

FIG. 7 is a left side view of the fan of FIG. 1.

FIG. 8 is a right side view of the fan of FIG. 1.

FIG. 9 is perspective bottom view of another fan having three twisted blades with a hub.

FIG. 10 is a perspective top view of the fan of FIG. 9.

FIG. 11 is a bottom view of the fan of FIG. 9.

FIG. 12 is a top view of the fan of FIG. 9.

FIG. 13 is a front side view of the fan of FIG. 9.

FIG. 14 is a rear side view of the fan of FIG. 9.

FIG. 15 is a left side view of the fan of FIG. 9; and,

FIG. 16 is a right side view of the fan of FIG. 9.

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

Claims

CLAIM The ornamental design for a fan blade, as shown.

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Inventors:	Parker; Danny S. (Cocoa Beach, FL), Hibbs; Bart (Altadena, CA)
Assignee:	University of Central Florida Research Foundation, Inc. (Orlando, FL)
Appl. No.:	D/312,827
Filed:	November 14, 2008

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	29259708	May 12, 2006	D594552

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Current U.S. Class:	D23/413
Current International Class:	2304
Field of Search:	;D23/413,411,370,379 ;416/223R,238 ;D12/214

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References Cited [Referenced By]

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U.S. Patent Documents

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3854845	December 1974	Van De Water
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4150919	April 1979	Matucheski
4197057	April 1980	Hayashi
D261803	November 1981	Bohanon, Jr.
4325675	April 1982	Gallot
4411598	October 1983	Okada
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4501194	February 1985	Brown
4730985	March 1988	Rothman et al.
4844698	July 1989	Gornstein et al.
5078047	January 1992	Wimberly
5114313	May 1992	Vorus
5131888	July 1992	Adkins, II
5253979	October 1993	Fradenburgh et al.
D368772	April 1996	Liao
5588909	December 1996	Ferng
6039541	March 2000	Parker et al.
6306030	October 2001	Wilson
6659721	December 2003	Parker et al.
6695692	February 2004	York
6733241	May 2004	Bird
6884034	April 2005	Parker et al.
D509584	September 2005	Li et al.
D510998	October 2005	Parker et al.
7014423	March 2006	Parker et al.
D539413	March 2007	Parker et al.
D565165	March 2008	Calkins
D566829	April 2008	Parker et al.

Other References

HVAC, Exhaust Fans, Attic Ventilators, [online] Grainger.com, Grainger, for the ones who get it done, 3 pages, [retrieved on Apr. 21, 2006] Retrieved from: http://www.grainger.com/Grainger/wwg/productIndex.shtml?operator=searchPr- oductBySu.... cited by other . U.S. Appl. No. 29/152,381, filed Dec. 1, 1959, Szydlowski. cited by other . HVAC, Exhaust Fans, Attic Ventilators, [onlin] Grainger.com, Grainger, for the ones who get it done, 3 pgs, [retrieved on Apr. 21, 2006] Retrieved From: http://www.grainger.com/Grainger/wwg/productIndex.shtml?operator=se- archProductBySu.... cited by other.

Primary Examiner: Lichtenstein; Lisa P
Attorney, Agent or Firm: Steinberger; Brian S. Law Offices of Brian S. Steinberger, P.A.