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Publication numberUSD276733 S
Publication typeGrant
Application numberUS 06/224,750
Publication dateDec 11, 1984
Filing dateJan 13, 1981
Publication number06224750, 224750, US D276733 S, US D276733S, US-S-D276733, USD276733 S, USD276733S
InventorsDietmar Nagel, Andrew Lowinger, Peter Roegner
Original AssigneeNorth American Foreign Trading Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Teaching machine
US D276733 S
Abstract  available in
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  1. The ornamental design for a teaching machine, substantially as shown and described.

FIG. 1 is a front perspective view of the teaching machine showing our design;

FIG. 2 is a front elevational view of the teaching machine;

FIG. 3 is a rear elevational view of the teaching machine;

FIG. 4 is a right-side elevational view of the teaching machine;

FIG. 5 is a left-side elevational view of the teaching machine; and

FIG. 6 is a top plan view of the teaching machine.

Non-Patent Citations
1Playthings, Feb. 1977, p. 109, Sesame Street Electronic Blackboard.
2Walt Disney Character Catalog, Oct. 22, 1947, "Mickey Mouse", p. 96.
U.S. ClassificationD19/60