Patent US2914677A successfully refreshed from Google Patents.
US2914677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well logging apparatus
Assignee: Schlumberger Well Surveying Corp
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Filing: 1954-03-08
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Granted: 1959-11-24
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Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:54
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
NEUTRON LOGGING APPARATUS COMRPISING A PRESSUREHOUSING ADAPTED TO TRANSVERSE A BORE HOLE, A NEUGENERATOR SUPPORTED WITHIN SAID HOUSING AND INCLUDING A TARGET AND MEANS FOR PROJECTING CHARGED PARTICLES TOWARD SAID TARGET TO PRODUCE A FLUX OF NEUTRONS A MONITOR SYSTEM RESPONSIVE TO RADIANT ENERGY DEPENDENT UPON NEUTRONS EMITTED BY SAID GENERATOR FOR CONTROLLING SAID CHARGED PARTICLES OF SAID GENERATOR TO ADJUST SAID FLUX OF
Claim 2
Dependent Claim
64 words
NEUTRON LOGGING APPARATUS COMRPISING A PRESSUREHOUSING ADAPTED TO TRANSVERSE A BORE HOLE, A NEUGENERATOR SUPPORTED WITHIN SAID HOUSING AND INCLUDING A TARGET AND MEANS FOR PROJECTING CHARGED PARTICLES TOWARD SAID TARGET TO PRODUCE A FLUX OF NEUTRONS A MONITOR SYSTEM RESPONSIVE TO RADIANT ENERGY DEPENDENT UPON NEUTRONS EMITTED BY SAID GENERATOR FOR CONTROLLING SAID CHARGED PARTICLES OF SAID GENERATOR TO ADJUST SAID FLUX OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |