Electronic teaching aid

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Information

Patent Grant
D272366

References
Source

Patent Number
D272,366
Date Filed
Monday, December 14, 1981
43 years ago
Date Issued
Tuesday, January 24, 1984
41 years ago

Inventors
- Lawrence J. Greenberg
- Greg Hyman
Examiners
- Feifer; Melvin B.
Agents
- Ross, Ross & Flavin

US Classifications
- D19 - Office supplies
Field of Search
- US
- D19 60
- D19 59
- 434 169
- 434 335
- 434 201
- 434 202
- 273 161
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for electronic teaching aid, as shown and described.

US Referenced Citations (2)

Number	Name	Date	Kind
1860895	Marx	May 1932
4164078	Goldfarb	Aug 1979

Non-Patent Literature Citations (1)

Entry
Montgomery Ward Xmas Cat., 1980, p. 429, upper left, item C, "Major Morgan".