US3127512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron-gamma geophysical prospecting method and apparatus
Assignee: Well Surveys Inc
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Filing: 1958-06-30
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Granted: 1964-03-31
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Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Monaghan Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:28
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/101; G01V5/102
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A RADIOACTIVITY WELL LOGGING SYSTEM COMPRISING A SCINTILLATION COUNTER HAVING A CRYSTAL FOR RADIATION DETECTION IN A REGION EXPOSED TO A FLUX OF SLOW NEUTRONS, AN INTERCEPTOR OF SLOW NEUTRONS DISPOSED ABOUT SAID CRYSTAL, SAID INTERCEPTOR CONTAINING A SUBSTANTIAL AMOUNT OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF BORON AND LITHIUM, MEANS DISPOSED BETWEEN SAID INTERCEPTOR AND SAID CRYSTAL FOR STOPPING ALPHA PARTICLES PRODUCED UPON THE CAPTURE OF SLOW NEUTRONS BY BORON, AND ELECTRICAL MEANS SUPPRESSING SUCH ELECTRICAL SIGNALS FROM SAID SCINTILLATION COUNTER AS ARE OCCASIONED BY GAMMA RAYS OF ENERGY NO GREATER THAN THAT OF GAMMA RAYS FROM SAID ELEMENT.
References Cited (Backward Citations)
USRE24383E
Cited
US2303688A
Cited
US2463733A
Cited
US2782318A
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US2785314A
Cited
GB724441A
Cited
US2888568A
Cited
US2862106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |