Patent US2918579A successfully refreshed from Google Patents.
US2918579A
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US
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Exploration for petroliferous deposits by locating oil or gas seeps
Assignee: Atlantic Richfield Co
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Filing: 1957-01-31
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Granted: 1959-12-22
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Robert L Slobod
- 👤 Henry F Dunlap
- 👤 Thomas F Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:29
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/35; G01N21/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF EXPLORATION FOR SUBTERRANEAN PETROLIFEROUS DEPOSITS IN WATER-COVERED AREAS COMPRISING; CONTINUOUSLY REMOVING SAMPLES OF WATER FROM THE AREA BEING EXPLORED, CONTINUOUSLY REMOVING GASEOUS COMPONENTS FROM SAID WATER SAMPLES, CONTINUOUSLY SUBJECTING SAID SEPARATED GASES TO ANALYSIS FOR AT LEAST ONE PRESELECTED GAS, RECORDING A PARAMETER OF THE CONCENTRATIONS SAID PRESELECTED GAS, AND CORRELATING SAID RECORDED PARAMETER WITH
Claim 2
Independent Claim
58 words
THE METHOD OF EXPLORATION FOR SUBTERRANEAN PETROLIFEROUS DEPOSITS IN WATER-COVERED AREAS COMPRISING; CONTINUOUSLY REMOVING SAMPLES OF WATER FROM THE AREA BEING EXPLORED, CONTINUOUSLY REMOVING GASEOUS COMPONENTS FROM SAID WATER SAMPLES, CONTINUOUSLY SUBJECTING SAID SEPARATED GASES TO ANALYSIS FOR AT LEAST ONE PRESELECTED GAS, RECORDING A PARAMETER OF THE CONCENTRATIONS SAID PRESELECTED GAS, AND CORRELATING SAID RECORDED PARAMETER WITH
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |