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Patent
D274227
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Priority
Mar 09 1981
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Filed
Mar 09 1981
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Issued
Jun 12 1984
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Expiry
Jun 12 1998
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Assg.orig
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Entity
unknown
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3
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14
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n/a
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The ornamental design for a hydraulic filter press for pressing liquid from a drilling mud or the like, as shown and described.
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FIG. 1 is a front elevation of a hydraulic filter press for pressing liquid
from a drilling mud, showing my new design; and
FIG. 2 is a right-side elevation thereof.
Cain, David E.
| Patent |
Priority |
Assignee |
Title |
| 12128334, |
Sep 05 2018 |
|
Filter press with threadably advanced filtrate receiving plunger |
| D283016, |
Jul 25 1983 |
MILTON INDUSTRIES, INC. |
Quick connecting cylinder air leakage tester |
| D318710, |
Aug 15 1988 |
|
Fuel line filter |
| Patent |
Priority |
Assignee |
Title |
| 2084439, |
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| 2451390, |
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| 2866455, |
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| 316048, |
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| 3747415, |
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| 3898010, |
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| 4154543, |
Apr 28 1978 |
CATERPILLAR INC , A CORP OF DE |
Apparatus for disassembly of a tapered connection using fluid pressure |
| 4299118, |
Nov 19 1979 |
MI DRILLING FLUIDS COMPANY, HOUSTON, TEXAS A TEXAS GENERAL PARTNERSHIP |
Viscometer |
| 978265, |
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| 166330, |
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| 180685, |
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| 231389, |
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| D263568, |
Jun 04 1979 |
|
Strength meter |
| D264444, |
Sep 28 1979 |
Gretag Aktiengesellschaft |
Densitymeter |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a