Teaching clock

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Information

Patent Grant
D306611

References
Source

Patent Number
D306,611
Date Filed
Thursday, December 11, 1986
38 years ago
Date Issued
Tuesday, March 13, 1990
35 years ago

Inventors
Original Assignees
- Educational Insights, Inc.
Examiners
- Vales-Lado; Carmen H.
- Thompson; Martha
Agents
- Jessup Beecher & Slehofer

US Classifications
- D19 - Office supplies
Field of Search
- US
- D19 59-64
- D10 24
- D10 25
- D10 26
- 434 304
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a teaching clock, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D242344	Klepsch	Nov 1976
D268686	Wolf	Apr 1983
D269790	Alessio	Jul 1983
D273873	Alessio	May 1984
3508350	Genin	Apr 1970
4015346	Ogasawara	Apr 1977
4219943	Grimes	Sep 1980