Patent US2830188A successfully refreshed from Google Patents.
US2830188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron detector
Assignee: Pgac Dev Co
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Filing: 1954-01-11
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Granted: 1958-04-08
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Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Serge A Scherbatskoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:51
CPC Classifications
G; G01; G01T; G01T3/00; G01T3/06; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/10; G01V5/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN AN APPARATUS FOR RADIOLOGICAL BORE-HOLE LOGGING A HOUSING ADAPTED TO BE LOWERED INTO A BORE HOLE, SAID HOUSING COMPRISING A SOURCE OF NEUTRONS ARRANGED TO RADIATE NEUTRONS INTO THE FORMATIONS SURROUNDING SAID BORE HOLE WHEREBY GAMMA RAYS AND NEUTRONS ARE DIRECTED TOWARD SAID BORE HOLE AS A RESULT OF INTERACTION OF SAID NEUTRONS WITH SAID FORMATIONS, A FIRST RADIATION DETECTOR COMPRISING AN ANTHRACENT CRYSTAL CARRIED IN SAID HOUSING,
Claim 2
Dependent Claim
69 words
IN AN APPARATUS FOR RADIOLOGICAL BORE-HOLE LOGGING A HOUSING ADAPTED TO BE LOWERED INTO A BORE HOLE, SAID HOUSING COMPRISING A SOURCE OF NEUTRONS ARRANGED TO RADIATE NEUTRONS INTO THE FORMATIONS SURROUNDING SAID BORE HOLE WHEREBY GAMMA RAYS AND NEUTRONS ARE DIRECTED TOWARD SAID BORE HOLE AS A RESULT OF INTERACTION OF SAID NEUTRONS WITH SAID FORMATIONS, A FIRST RADIATION DETECTOR COMPRISING AN ANTHRACENT CRYSTAL CARRIED IN SAID HOUSING,
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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |