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Patent
   D271683
Priority
Aug 21 1981
Filed
Aug 21 1981
Issued
Dec 06 1983
Expiry
Dec 06 1997
Inventors
Clifton, R…
Assg.orig
Dyna Con T…
Assg.curr
VULCAN AIR…
Entity
unknown
Referenced by
6
References
2
Maint.:
n/a
The ornamental design for a vertical takeoff and landing aircraft, as shown and described.

FIG. 1 is a top plan view of a vertical takeoff and landing aircraft showing my new design;

FIG. 2 is a front elevational view thereof on the same scale;

FIG. 3 is a left side elevational view thereof on the same scale.
INVENTORS:

Clifton, Robert T.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10787255, Nov 30 2018 SKY CANOE INC. Aerial vehicle with enhanced pitch control and interchangeable components
D605576, Aug 31 2007 David, Posva Aircraft
D634257, Mar 25 2010 Vertical takeoff and landing aircraft
D695205, Aug 16 2012 Helicopter
D799402, Aug 26 2016 Vertical take-off and landing aircraft
D850357, Feb 13 2018 Vertical take-off and landing aircraft
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
198249,
D246168, May 17 1976 Man powered airplane
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 21 1981Dyna Con Tech Corporation(assignment on the face of the patent)
Jul 26 1983CLIFTON, ROBERT T DYNA CON TECH CORPORATION, A TX CORP ASSIGNMENT OF ASSIGNORS INTEREST 0041530011 pdf
Jul 22 1988Dyna Con Tech CorporationVULCAN AIRCRAFT CORPORATION, 7007, GULF FREEWAY, SUITE 133, HOUSTON, TX , 77087, A CORP OF TX ASSIGNMENT OF ASSIGNORS INTEREST 0049200556 pdf
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