Patent
   D318491
Priority
Oct 28 1987
Filed
Apr 15 1988
Issued
Jul 23 1991
Expiry
Jul 23 2005
Assg.orig
Entity
unknown
0
9
n/a
The ornamental design for a combined keyboard and electronic learning aid, as shown and described.

FIG. 1 is a top plan view of a combined keyboard and electronic learning aid showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof, with the keyboard portion removed for clarity of illustration only.

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a top plan view of the keyboard portion of FIG. 1 shown separately for clarity of illustration only.

FIG. 14 is a left side elevational view thereof;

FIG. 15 is a right side elevational view thereof;

FIG. 16 is a rear elevational view thereof;

FIG. 17 is a front elevational view thereof;

FIG. 18 is a bottom plan view thereof; and

FIG. 19 is an enlarged top perspective view of FIG. 1.

Cheung, David, Leung, Donny, Yiu, Wu T.

Patent Priority Assignee Title
Patent Priority Assignee Title
3729836,
3771255,
4001947, Jun 18 1971 Teaching system
4639225, Jun 24 1982 Sharp Kabushiki Kaisha Portable audio-visual electronic apparatus
234360,
234950,
D256028, May 01 1978 Texas Instruments Incorporated Case for an electronic learning aid, game or similar apparatus
D280217, Oct 08 1982 Nitsubishi Denki Kabushiki Kaisha Talking mathematics trainer
D308510, Oct 14 1987 Video Technology Industries, Inc. Electronic educational game housing
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 15 1988Video Technology Industries, Inc.(assignment on the face of the patent)
Jun 14 1988CHEUNG, DAVIDVIDEO TECHNOLOGY INDUSTRIES, INC , 400 ANTHONY TRAIL, NORTHBROOK, ILLINOIS 60062, A ILLINOIS CORP NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: 09-01-870049140854 pdf
Jun 14 1988YIU, WU T VIDEO TECHNOLOGY INDUSTRIES, INC , 400 ANTHONY TRAIL, NORTHBROOK, ILLINOIS 60062, A ILLINOIS CORP NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: 09-01-870049140854 pdf
Jun 14 1988LEUNG, DONNYVIDEO TECHNOLOGY INDUSTRIES, INC , 400 ANTHONY TRAIL, NORTHBROOK, ILLINOIS 60062, A ILLINOIS CORP NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS EFFECTIVE DATE: 09-01-870049140854 pdf
Sep 29 1993VIDEO TECHNOLOGY INDUSTRIES, INC VTECH INDUSTRIES, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0067940492 pdf
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