Patent
   D453317
Priority
Dec 01 2000
Filed
Dec 01 2000
Issued
Feb 05 2002
Expiry
Feb 05 2016
Assg.orig
Entity
unknown
20
3
n/a
The ornamental design for the quad tiltrotor, as shown and described.

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.

DeTore, John A., Spivey, Richard F., Foster, Malcolm P., Wood, Tom L.

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Patent Priority Assignee Title
D392937, Jul 19 1996 Aero Challenge Two seater amphibious aircraft
D394422, May 13 1996 TEXTRON IPMP L P ; BELL HELICOPTER MICHIGAN, INC Tilt rotor aircraft
D401898, Dec 23 1996 Sikorsky Aircraft Corporation Variable diameter tilt rotor aircraft
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 08 2000FOSTER, MALCOLMBELL HELICOPTER TEXTRON INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0113360287 pdf
Nov 13 2000SPIVEY, RICHARD F BELL HELICOPTER TEXTRON INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0113360287 pdf
Nov 16 2000DETORE, JOHN A BELL HELICOPTER TEXTRON INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0113360287 pdf
Nov 20 2000WOOD, TOM L BELL HELICOPTER TEXTRON INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0113360287 pdf
Dec 01 2000Bell Helicopter Textron Inc.(assignment on the face of the patent)
Apr 01 2001BELL HELLCOPTER MICHIGAN, INC TEXTRON IPMP L P ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162830404 pdf
Apr 01 2001BELL HELICOPTER TEXTRON, INC BELL HELICOPTER MICHIGAN, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162830439 pdf
Nov 03 2003BELL HELICOPTER TEXTRON, INC BELL HELICOPTER RHODE ISLAND, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162830427 pdf
Nov 03 2003BELL HELICOPTER RHODE ISLAND, INC TEXTRON INNOVATIONS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0162830494 pdf
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