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Patent
D351013
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Priority
Jan 15 1992
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Filed
Jan 15 1992
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Issued
Sep 27 1994
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Expiry
Sep 27 2008
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Assg.orig
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Entity
unknown
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12
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9
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n/a
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The ornamental design for the mechanical inspection and sealing plug for a monitoring well, as shown and described.
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FIG. 1 is a perspective view of the mechanical inspection and sealing plug
for a monitoring well showing our new design;
FIG. 2 is a top end view thereof;
FIG. 3 is a lateral view thereof; and,
FIG. 4 is a bottom end view thereof.
Mathison, Allen D., Benson, Bryan R.
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| D971118, |
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| D989986, |
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| Patent |
Priority |
Assignee |
Title |
| 3299956, |
|
|
|
| 4178966, |
Feb 13 1978 |
Combustion Engineering, Inc. |
Tube plug |
| 4202378, |
Jun 11 1976 |
|
Rebar safety cap |
| 4474216, |
Oct 25 1983 |
|
Mechanical seal plugs, for fluid-sealing of tubes |
| 4986313, |
Oct 12 1988 |
Framatome |
Sealing plug for a steam-generator tube |
| 5044404, |
Aug 27 1987 |
VACUUM TECH, INC |
Vacuum and control system sealing caps and plugs |
| 5197605, |
Jun 24 1991 |
|
Vacuum line marker kit |
| D300350, |
Dec 12 1985 |
CHERNE ACQUISITION INCORPORATED, AN OH CORP |
Expansible sealing plug for pipelines and the like |
| D326500, |
Aug 28 1989 |
Universal Valve Company, Inc. |
Sealing plug for a monitoring well |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a