US2836068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank sampling apparatus
Assignee: Standard Oil Co
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Filing: 1954-05-21
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Granted: 1958-05-27
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Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Therlis L Clift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:14
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
APPARATUS FOR SAMPLING LIQUID IN A BULK CONTAINER COMPRISING AN INLET PIPE CONNECTED TO THE SIDE WALL OF THE CONTAINER AT A POINT SPACED BENEATH THE SURFACE OF THE LIQUID THEREIN, AN OUTLET PIPE SIMILARLY CONNECTED TO THE CONTAINER WALL IN SPACED RELATION TO SAID INLET PIPE AND AT APPROXIMATELY THE SAME ELEVATION, SUCH PIPES EXTENDING HORIZONTALLY AND BEING INTERCONNECTED SUBSTANTIALLY DIRECTLY EXTERNALLY OF THE CONTAINER, THE PIPES AND CONNECTION THEREOF FORMING A NORMALLY CLOSED SYSTEM FOR THE WITHDRAWAL AND SUBSTANTIALLY IMMEDIATE RETURN IN CONTINUOUS FLOW OF A PORTION OF THE LIQUID IN THE CONTAINER, FLOW INDUCING MEANS IN SUCH SYSTEM OPERATIVE TO CREATE A CONSIDERABLE PRESSURE DIFFERENTIAL THEREIN AND UNINTERRUPTED FLOW OF THE LIQUID THERETHROUGH, A BRANCH LINE CONNECTED TO AN EXTERNAL PORTION OF SUCH SYSTEM AT THE INLET SIDE OF SAID FLOW INDUCING MEANS, AND VALVE MEANS IN SAID BRANCH LINE OPERATIVE TO DRAW OFF A SAMPLE OF THE LIQUID WITHOUT INTERRUPTING THE CONTINUOUS FLOW THEREOF IN SUCH SYSTEM.
Claim 2
Dependent Claim
161 words
APPARATUS FOR SAMPLING LIQUID IN A BULK CONTAINER COMPRISING AN INLET PIPE CONNECTED TO THE SIDE WALL OF THE CONTAINER AT A POINT SPACED BENEATH THE SURFACE OF THE LIQUID THEREIN, AN OUTLET PIPE SIMILARLY CONNECTED TO THE CONTAINER WALL IN SPACED RELATION TO SAID INLET PIPE AND AT APPROXIMATELY THE SAME ELEVATION, SUCH PIPES EXTENDING HORIZONTALLY AND BEING INTERCONNECTED SUBSTANTIALLY DIRECTLY EXTERNALLY OF THE CONTAINER, THE PIPES AND CONNECTION THEREOF FORMING A NORMALLY CLOSED SYSTEM FOR THE WITHDRAWAL AND SUBSTANTIALLY IMMEDIATE RETURN IN CONTINUOUS FLOW OF A PORTION OF THE LIQUID IN THE CONTAINER, FLOW INDUCING MEANS IN SUCH SYSTEM OPERATIVE TO CREATE A CONSIDERABLE PRESSURE DIFFERENTIAL THEREIN AND UNINTERRUPTED FLOW OF THE LIQUID THERETHROUGH, A BRANCH LINE CONNECTED TO AN EXTERNAL PORTION OF SUCH SYSTEM AT THE INLET SIDE OF SAID FLOW INDUCING MEANS, AND VALVE MEANS IN SAID BRANCH LINE OPERATIVE TO DRAW OFF A SAMPLE OF THE LIQUID WITHOUT INTERRUPTING THE CONTINUOUS FLOW THEREOF IN SUCH SYSTEM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |