US2725281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exploration for oil by soil analysis
Assignee: Pure Oil Co
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Filing: 1950-12-29
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Granted: 1955-11-29
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Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 Donald C Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:26
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR PROSPECTING FOR SUBTERRANEAN PETROLEUM DEPOSIT COMPRISING THE STEPS OF COLLECTING A PLURALITY OF SOIL SAMPLES AT SPACED POINTS OVER AN AREA OF THE EARTH''S SURFACE TO BE EXPLORED, ANALYZING SAID SOIL SAMPLES FOR THEIR HYDROCARBON CONTENT, RELEASING DETECTABLE FORMS OF ENERGY AT A PLURALITY OF UNSHIELDED POINTS ON A CARTOGRAPH OF SAID AREA CORRESPONDING TO SAID POINTS OF SAMPLING, ADJUSTING THE MAGNITUDE OF SAID ENERGY AT EACH POINT OF RELEASE TO CORRESPOND AND BE PROPORTIONAL TO THE VALUE OF SAID HYDROCARBON CONTENT OF THE CORRESPONDING POINT OF SAMPLING, TRANSMITTING THE ACCUMULATIVE SUMMA-
Claim 2
Independent Claim
95 words
A METHOD FOR PROSPECTING FOR SUBTERRANEAN PETROLEUM DEPOSIT COMPRISING THE STEPS OF COLLECTING A PLURALITY OF SOIL SAMPLES AT SPACED POINTS OVER AN AREA OF THE EARTH''S SURFACE TO BE EXPLORED, ANALYZING SAID SOIL SAMPLES FOR THEIR HYDROCARBON CONTENT, RELEASING DETECTABLE FORMS OF ENERGY AT A PLURALITY OF UNSHIELDED POINTS ON A CARTOGRAPH OF SAID AREA CORRESPONDING TO SAID POINTS OF SAMPLING, ADJUSTING THE MAGNITUDE OF SAID ENERGY AT EACH POINT OF RELEASE TO CORRESPOND AND BE PROPORTIONAL TO THE VALUE OF SAID HYDROCARBON CONTENT OF THE CORRESPONDING POINT OF SAMPLING, TRANSMITTING THE ACCUMULATIVE SUMMA-
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) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |