High efficiency air conditioner condenser twisted fan blades and hub

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Description

FIG. 1 is a perspective view of a high efficiency air conditioner condenser twisted fan blades with hub.

FIG. 2 is a front side elevation view of the high efficiency air conditioner condenser twisted fan blades and hub of FIG. 1.

FIG. 3 is a left side end view of the high efficiency air conditioner condenser twisted fan blades and hub of FIG. 1.

FIG. 4 is a right side end view of the high efficiency air conditioner condenser twisted fan blades and hub of FIG. 1.

FIG. 5 is a bottom elevation view of the high efficiency air conditioner condenser twisted fan blades and hub of FIG. 1; and,

FIG. 6 is a top elevation view of the high efficiency air conditioner condenser twisted fan blades and hub of FIG. 1.

Claims

The ornamental design for a high efficiency air conditioner condenser twisted fan blades and hub, as shown and described.

Referenced Cited
U.S. Patent Documents
2638757 May 1953 Borgerd
3995442 December 7, 1976 Cavezza
4470271 September 11, 1984 Draper
4526506 July 2, 1985 Koger
4971143 November 20, 1990 Hogan
4971520 November 20, 1990 Van Houten
5320493 June 14, 1994 Shih
5624234 April 29, 1997 Neely
5809800 September 22, 1998 Deal
6129528 October 10, 2000 Bradbury
6185954 February 13, 2001 Smiley
D510998 October 25, 2005 Parker et al.
D539413 March 27, 2007 Parker et al.
D555782 November 20, 2007 Parker et al.
Other references
  • Kernstock, “Slashing Through The Noise Barrier” Defense Daily Network—Rotor & Wing's Cover Story, Aug. 1999, p. 1-11.
Patent History
Patent number: D566263
Type: Grant
Filed: Aug 3, 2007
Date of Patent: Apr 8, 2008
Assignee: Research Foundation of the University of Central Florida (Orlando, FL)
Inventors: Danny S Parker (Cocoa Beach, FL), John Sherwin (Cocoa Beach, FL), Bart Hibbs (Altadena, CA)
Primary Examiner: Lisa Lichtenstein
Attorney: Law Offices of Brian S. Steinberger, P.A.
Application Number: 29/282,990
Classifications
Current U.S. Class: Fan Element (D23/411)