Pneumatic test plug

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Information

Patent Grant
D350704

References
Source

Patent Number
D350,704
Date Filed
Monday, April 12, 1993
32 years ago
Date Issued
Tuesday, September 20, 1994
31 years ago

Inventors
Original Assignees
- Cherne Industries Incorporated
Examiners
- Holtje; Nelson C.
- Davis; Antoine D.
Agents
- Eggink; Anthony G.

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- 004 255
- 004 257
- 073 491
- 073 498
- 073 46
- 073 431
- 138 89
- 138 90
- 138 93
- D10 77
- D10 78
- D10 80
- D23 200
- D23 249
- D23 266
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a pneumatic test plug, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D261240	Vest et al.	Oct 1981
D340197	Esposito	Oct 1993
4122869	Roberson, Sr.	Oct 1978
4203473	Roberson	May 1980
4417598	DePirro	Nov 1983
4608858	McKinnon	Sep 1986
4658861	Roberson	Apr 1987