Patent
   D272366
Priority
Dec 14 1981
Filed
Dec 14 1981
Issued
Jan 24 1984
Expiry
Jan 24 1998
Assg.orig
Entity
unknown
9
2
n/a
The ornamental design for electronic teaching aid, as shown and described.

FIG. 1 is a front elevational view of an electronic teaching aid embodying our design;

FIG. 2 is a front perspective view of the toy with the instructional playing card removed;

FIG. 3 is a rear elevational view;

FIG. 4 is a side elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view.

The side not shown is identical to that shown.

Hyman, Gregory E., Greenberg, Lawrence J.

Patent Priority Assignee Title
D366870, Oct 11 1994 Computer keyboard
D473229, Jun 20 2002 Hannspree, Inc LCD display
D473556, Jun 21 2002 Hannspree, Inc LCD display
D473865, May 15 2002 HANNSPREE INC Display
D476003, May 15 2002 HANNSPREE INC LCD display
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D490427, Jun 14 2002 Hannspree, Inc Liquid crystal display
D533850, Mar 29 2005 Hannspree, Inc. Television set
D546789, Aug 01 2006 Hanspree, Inc. Television set
Patent Priority Assignee Title
1860895,
4164078, Feb 21 1978 Hasbro, Inc Electronic quiz apparatus
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