Pneumatic test plug

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Description

FIG. 1 is a lateral side view of the pneumatic test plug of my invention;

FIG. 2 is an end view of the pneumatic test plug of FIG. 1;

FIG. 3 is a view of the opposite end thereof;

FIG. 4 is a top view of the pneumatic test plug of FIG. 1; and,

FIG. 5 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D117193 October 1939 Newman et al.
5679904 October 21, 1997 Stets et al.
Patent History
Patent number: D398254
Type: Grant
Filed: Jul 22, 1997
Date of Patent: Sep 15, 1998
Assignee: Cherne Industries Incorporated (Minneapolis, MN)
Inventor: Marc P. Bevacco (Corcoran, MN)
Primary Examiner: Antoine Duval Davis
Attorney: Anthony G. Eggink
Application Number: 0/76,302
Classifications
Current U.S. Class: Pressure Gauge (D10/85)
International Classification: 1004;