Circuit tester

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Information

Patent Grant
D312583

References
Source

Patent Number
D312,583
Date Filed
Monday, March 14, 1988
36 years ago
Date Issued
Tuesday, December 4, 1990
34 years ago

Inventors
- Harold P. Kopp
Original Assignees
- Polytronic AG
Examiners
- Holtje; Nelson C.
- Davis; Antoine D.
Agents
- Gastel; Joseph P.

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 75
- D10 76
- D10 77
- D10 78
- D10 79
- D10 80
- 173 361
- 324 588
- 439 101
- 439 102
- 439 103
- 439 104
- 439 172
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a circuit tester, as shown.

US Referenced Citations (6)

Number	Name	Date	Kind
D224596	Winfrey	Aug 1972
D300809	Schwartz	Apr 1989
3967195	Averitt et al.	Jun 1976
4034284	Peplow et al.	Jul 1977
4127807	Peplow et al.	Nov 1978
4280092	Wells, Jr. et al.	Jul 1981