Patent
   D378695
Priority
May 19 1994
Filed
May 19 1994
Issued
Apr 01 1997
Expiry
Apr 01 2011
Assg.orig
Entity
unknown
0
12
n/a
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.

Patent Priority Assignee Title
Patent Priority Assignee Title
1349072,
1760750,
3276481,
3414140,
414748,
4492095, Dec 08 1981 COLONEL, N V , A NETHERLANDS ANTILLES CORPORATION; COLE, CONNIE EVERETT, AS ADMINISTRATOR OF THE ESTATE OF BERYLE DEAN BRISTER Apparatus and method for forming a temporary plug in a fluid conduit
4612961, May 05 1984 Tube sealing device
4627470, Jun 02 1983 ALH SYSTEMS LIMITED, A COMPANY OF GREAT BRITAIN AND NORTHERN IRELAND Sealing ducts
5240031, Nov 09 1992 Inflatable bladder valve for irrigation pipe
754329,
D339949, May 15 1991 Carrier Corporation Foot warming pillow
D339950, Sep 11 1992 Shopping cart pillow
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 10 1994MATHISON, ALLEN D Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0070070830 pdf
May 10 1994SMITH, RANDY D Cherne Industries IncorporatedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0070070830 pdf
May 19 1994Cherne Industries Incorporated(assignment on the face of the patent)
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