US2910591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon logging through casing
Assignee: California Research LLC
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Filing: 1956-09-24
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Granted: 1959-10-27
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Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 Paul E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/101
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
APPARATUS FOR DETECTING GAMMA RAYS RESULTING FROM INELASTIC SCATTERING OF FAST NEUTRONS BY CARBON AND OXYGEN WHICH COMPRISES A STEEL-ENCLOSED LOGGING SONDE ADAPTED TO BE SUPORTED ON THE END OF A WALL LOGGING CABLE, A FAST NEUTRON SOURCE POSITIONED WITHIN SAID LOGGING, A FAST NEUTRON SOURCE POSITIONED WITHIN SAID LOG-
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |