US3028313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geobiochemical prospecting
Assignee: Sunoco Inc
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Filing: 1960-03-07
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Granted: 1962-04-03
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul E Oberdorfer
- 👤 Donald F Rugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:10
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007; C; C12; C12N; C12N1/00; C12N1/26; C12N1/28; C12N1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
METHOD OF GEOBIOCHEMICAL PROSPECTING FOR PETROLEUM DEPOSITS WHICH COMPRISES PLACING OF CULTURE OF METHANE-CONSUMING MICRO-ORGANISMS ADJACENT THE EARTH AT A SELECTED LOCUS, PERMITTING SAID MICRO-ORGANISMS TO GROW AT THE SELECTED BY FEEDING ON METHANE EMANATING FROM ADJACENT EARTH, AND THEREAFTER DETERMINING
Claim 2
Dependent Claim
41 words
METHOD OF GEOBIOCHEMICAL PROSPECTING FOR PETROLEUM DEPOSITS WHICH COMPRISES PLACING OF CULTURE OF METHANE-CONSUMING MICRO-ORGANISMS ADJACENT THE EARTH AT A SELECTED LOCUS, PERMITTING SAID MICRO-ORGANISMS TO GROW AT THE SELECTED BY FEEDING ON METHANE EMANATING FROM ADJACENT EARTH, AND THEREAFTER DETERMINING
References Cited (Backward Citations)
US2773991A
Cited
US2777799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |