Patent
   D727468
Priority
May 03 2011
Filed
May 13 2013
Issued
Apr 21 2015
Expiry
Apr 21 2029
Assg.orig
Entity
unknown
1
15
n/a
The new design for a river drive pipe plug apparatus, as shown and described.

FIG. 1 is a side orthogonal view of a river drive pipe plug apparatus according to a fourth embodiment of the present design;

FIG. 2 is a top orthogonal view of the river drive pipe plug apparatus shown in FIG. 1;

FIG. 3 is a left perspective view of the river drive pipe plug apparatus shown in FIG. 1; and,

FIG. 4 is a right perspective view of the river drive pipe plug apparatus shown in FIG. 1.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.

Childress, Charles Randall

Patent Priority Assignee Title
D759213, Dec 19 2013 URESH AG Pipeline pig
Patent Priority Assignee Title
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