US3264477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epithermal neutron well logging
Assignee: Texaco Inc
•
Filing: 1962-03-30
•
Granted: 1966-08-02
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
APPARATUS FOR DETECTING EPITHERMAL NEUTRONS COMPRISING: (A) A RADIATION DETECTOR SENSITIVE TO THERMAL NEUTRONS, (B) NEUTRON THERMALIZING MATERIAL SURROUNDING SAID RADIATION DETECTOR WHEREIN NEUTRONS HAVING ENERGIES IN THE EPITHERMAL RANGE ARE SLOWED DOWN TO THERMAL ENERGIES, AND (C) THERMAL NEUTRON ABSORNING MATERIAL COMPRISING CADMIUM SURROUNDING SAID NEUTRON THERMALIZING MATERIAL, SAID NEUTRON ABSORBING MATERIAL COMPRISING CADMIUM BEING EXPOSED TO EXTERNAL NEUTRON RADIATION, INCLUDING EPITHERMAL NEUTRONS TO BE DETECTED.
Claim 2
Dependent Claim
67 words
APPARATUS FOR DETECTING EPITHERMAL NEUTRONS COMPRISING: (A) A RADIATION DETECTOR SENSITIVE TO THERMAL NEUTRONS, (B) NEUTRON THERMALIZING MATERIAL SURROUNDING SAID RADIATION DETECTOR WHEREIN NEUTRONS HAVING ENERGIES IN THE EPITHERMAL RANGE ARE SLOWED DOWN TO THERMAL ENERGIES, AND (C) THERMAL NEUTRON ABSORNING MATERIAL COMPRISING CADMIUM SURROUNDING SAID NEUTRON THERMALIZING MATERIAL, SAID NEUTRON ABSORBING MATERIAL COMPRISING CADMIUM BEING EXPOSED TO EXTERNAL NEUTRON RADIATION, INCLUDING EPITHERMAL NEUTRONS TO BE DETECTED.
References Cited (Backward Citations)
US2556768A
Cited
US2778951A
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US2862106A
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US2920204A
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US3080478A
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US3141092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |