US2859757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline monitoring and control
Assignee: Phillips Petroleum Co
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Filing: 1953-12-14
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Granted: 1958-11-11
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 James R Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:12
CPC Classifications
F; F16; F16L; F16L55/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A METHOD OF PIPELINE MONITORING AND CONTROL WHEREIN PETROLEUM LIQUIDS OF DIFFERENT COMPOSITION ARE PASSED TO PRESELECTED STORAGE CHAMBERS, THE IMPROVEMENT WHICH COMPRISES FLOWING A PETROLEUM LIQUID INTO A FIRST STORAGE CHAMBER, MEASURING THE DIELECTRIC PROPERTIES OF SAID FLOWING LIQUID, DETECTING ANY CHANGE IN THE COLOR OF SAID FLOWING LIQUID, DIVERTING THE FLOW OF SAID LIQUID FROM SAID FIRST STORAGE CHAMBER TO A SECOND STORAGE CHAMBER IN ACCORDANCE WITH A PREDETERMINED COLOR CHANGE, AND DIVERTING THE FLOW OF SAID LIQUID FROM SAID SECOND STORAGE CHAMBER TO A THIRD STORAGE CHAMBER WHEN SAID DIELECTRIC PROPERTIES MEASUREMENT REACHES A PREDETERMINED VALUE.
Claim 2
Dependent Claim
100 words
IN A METHOD OF PIPELINE MONITORING AND CONTROL WHEREIN PETROLEUM LIQUIDS OF DIFFERENT COMPOSITION ARE PASSED TO PRESELECTED STORAGE CHAMBERS, THE IMPROVEMENT WHICH COMPRISES FLOWING A PETROLEUM LIQUID INTO A FIRST STORAGE CHAMBER, MEASURING THE DIELECTRIC PROPERTIES OF SAID FLOWING LIQUID, DETECTING ANY CHANGE IN THE COLOR OF SAID FLOWING LIQUID, DIVERTING THE FLOW OF SAID LIQUID FROM SAID FIRST STORAGE CHAMBER TO A SECOND STORAGE CHAMBER IN ACCORDANCE WITH A PREDETERMINED COLOR CHANGE, AND DIVERTING THE FLOW OF SAID LIQUID FROM SAID SECOND STORAGE CHAMBER TO A THIRD STORAGE CHAMBER WHEN SAID DIELECTRIC PROPERTIES MEASUREMENT REACHES A PREDETERMINED VALUE.
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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |