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Patent
   D250966
Priority
Dec 27 1976
Filed
Dec 27 1976
Issued
Jan 30 1979
Expiry
Jan 30 1993
Inventors
Spore, Fra…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
6
References
3
Maint.:
n/a
The ornamental design for a toy helicopter, substantially as shown and described.

FIG. 1 is a left side elevational view of a toy helicopter, showing my new design, the side opposite being substantially a mirror image;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view; and

FIG. 5 is a rear elevational view.
INVENTORS:

Spore, Frank W.

THIS PATENT IS REFERENCED BY THESE PATENTS:
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9601040, Jun 24 2014 University of Kansas Flat-stock aerial vehicles and methods of use
9878257, Jun 10 2014 University of Kansas Aerial vehicles and methods of use
D650609, Aug 02 2010 Lighted, skeletal helicopter table
D776571, Jun 10 2014 University of Kansas Aerial vehicle
D853939, Jul 25 2014 University of Kansas Aerial vehicle
RE47176, Nov 07 2001 Rehco, LLC Propellers and propeller related vehicles
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3229414,
3237342,
169558,
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