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The ornamental design for a pneumatic test plug, as shown and described. |
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.
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
5679904, | Apr 30 1996 | Gas Technology Institute | Method and test plug for field testing pipe joints |
117193, |
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Dec 05 1997 | BEVACCO, MARC P | Cherne Industries Incorporated | DOCUMENT PREVIOUSLY RECORDED AT REEL 8676 FRAME 0701 CONTAINED AN ERROR IN SN 08070556, DOCMENT RERECORDED TO CORRECT ERROR ON STATED REEL | 008807 | /0868 | |
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