Rotor blade

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Description

FIG. 1 is a perspective view of a rotor blade taken from a top, front-left side of a rotor according to a first embodiment.

FIG. 2 is a perspective view taken from a bottom, rear-left side of the rotor blade of FIG. 1.

FIG. 3 is a top view of the rotor blade of FIG. 1.

FIG. 4 is a front view of the rotor blade of FIG. 1.

FIG. 5 is a bottom view of the rotor blade of FIG. 1.

FIG. 6 is a rear view of the rotor of FIG. 1.

FIG. 7 is a cross-sectional outboard-to-inboard view of the rotor of FIG. 1.

FIG. 8 is a cross-sectional inboard-to-outboard view of the rotor of FIG. 1; and,

FIG. 9 is a perspective view of four rotor blades taken from a top, front-right side showing multiple blades assembled in a position of use.

Claims

We claim the ornamental design for a rotor blade, as shown and described.

Referenced Cited
U.S. Patent Documents
1905891 April 1933 Blanchard
1943571 January 1934 Williamson
D132376 May 1942 Munk
D200986 April 1965 Wojciechowski et al.
D240810 August 1976 Meyerhoff et al.
D252390 July 17, 1979 Voisard
D284304 June 17, 1986 Harber
4671739 June 9, 1987 Read et al.
D303106 August 29, 1989 Macaluso
D327074 June 16, 1992 Chia et al.
D344487 February 22, 1994 Iwamoto
D494640 August 17, 2004 Tilbor et al.
D517986 March 28, 2006 Wobben
D633956 March 8, 2011 Cheng
D646728 October 11, 2011 Cheng
20130118856 May 16, 2013 Long
Patent History
Patent number: D706705
Type: Grant
Filed: Dec 17, 2011
Date of Patent: Jun 10, 2014
Assignee: Zee.Aero Inc. (Mountain View, CA)
Inventors: Geoffrey A. Long (Montara, CA), Eric Allison (San Francisco, CA)
Primary Examiner: Austin Murphy
Application Number: 29/408,886
Classifications
Current U.S. Class: Element Or Attachment (9) (D12/345)