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Patent
D727468
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Priority
May 03 2011
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Filed
May 13 2013
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Issued
Apr 21 2015
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Expiry
Apr 21 2029
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Assg.orig
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Entity
unknown
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1
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15
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n/a
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The new design for a river drive pipe plug apparatus, as shown and described.
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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 |
1808411, |
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2590860, |
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3993103, |
Sep 18 1975 |
Inner-Tite (A Division of Yara Engineering Corporation) |
Pipe line expansion plugs and tools |
4493344, |
Apr 13 1983 |
CHERNE ACQUISITION INCORPORATED, AN OH CORP |
Mechanical plug device |
4848734, |
Apr 25 1988 |
|
Line puller method and apparatus |
5035265, |
Dec 28 1989 |
JACKMOON U S A INC |
Structure of pipe plug |
5044403, |
Oct 03 1990 |
GLOBAL PACIFIC GROUP LTD |
Dirt and moisture sealing pipe plug for sealing different size pipe |
5297581, |
Jul 25 1991 |
UNDERPRESSURE ENGINEERING, PLC |
Pipeline plugger |
6883546, |
Mar 20 2003 |
|
Lockable compression plug assembly for hermetically sealing an opening in a part, such as the end of a tubular member |
6966343, |
Apr 11 2005 |
|
Pipe plug |
8758399, |
Aug 02 2010 |
Abbott Cardiovascular Systems, Inc. |
Expandable bioabsorbable plug apparatus and method |
20060225801, |
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20110258834, |
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20140182728, |
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D341142, |
May 10 1991 |
RBMARK, INC A DELAWARE CORPORATION |
Replacement oil drain plug |
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Maintenance Fee Events |
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