|
The ornamental design for the pipeline plug, as shown and described. |
FIG. 1 is a top plan view of a pipeline plug, showing our new design in an inflated state;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view thereof and showing the side opposite that of FIG. 2;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top plan view thereof, in a deflated state;
FIG. 8 is a side elevational view thereof;
FIG. 9 is a front elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a side elevational view thereof and showing the side opposite that of FIG. 8;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a top plan view of an alternate embodiment, showing our new design in an inflated state;
FIG. 14 is a side elevational view thereof;
FIG. 15 is a front elevational view thereof;
FIG. 16 is a rear elevational view thereof;
FIG. 17 is a rear elevational view thereof and showing the side opposite that of FIG. 14;
FIG. 18 is a bottom plan view thereof; and,
FIG. 19 is a perspective view of the pipeline plug of FIG. 1 and which shows our new design of a pipeline plug in an inflated state.
Mathison, Allen D., Smith, Randy D.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 10 1994 | MATHISON, ALLEN D | Cherne Industries Incorporated | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007007 | /0830 | |
May 10 1994 | SMITH, RANDY D | Cherne Industries Incorporated | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007007 | /0830 | |
May 19 1994 | Cherne Industries Incorporated | (assignment on the face of the patent) | / |
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