Quad tiltrotor

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Description

FIG. 1 is a top view of a quad tiltrotor of our new design having rotors in the takeoff/landing/hovering position;

FIG. 2 is a bottom view thereof;

FIG. 3 is a port side elevation view thereof;

FIG. 4 is a starboard side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top view of a quad tiltrotor of our new design having rotors in a flight position;

FIG. 8 is a bottom view thereof;

FIG. 9 is a port side elevation view thereof;

FIG. 10 is a starboard side elevation view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof; and,

FIG. 13 is a perspective view thereof.

Claims

The ornamental design for the quad tiltrotor, as shown and described.

Referenced Cited
U.S. Patent Documents
5352090 October 4, 1994 Churchill et al.
5381985 January 17, 1995 Wechsler et al.
Patent History
Patent number: D458892
Type: Grant
Filed: Dec 1, 2000
Date of Patent: Jun 18, 2002
Assignee: Bell Helicopter TREXTRON Inc. (Hurst, TX)
Inventors: John A. DeTore (Arlington, TX), Richard F. Spivey (Fort Worth, TX), Malcolm P. Foster (Fort Worth, TX), Tom L. Wood (Arlington, TX)
Primary Examiner: Marcus A. Jackson
Attorney, Agent or Law Firms: Gardere Wynne Sewell, LLP, Sanford E. Warren, Jr.
Application Number: 29/133,526
Classifications
Current U.S. Class: Aircraft, Spacecraft, Or Fuselage (D12/319)
International Classification: 1207;