Patent US3102198A successfully refreshed from Google Patents.
US3102198A
Expired / Lapsed
US
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Sensitive low voltage proportional counter for neutron detection containing he3 at superatmospheric pressure
Assignee: ExxonMobil Oil Corp
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Filing: 1961-11-16
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Granted: 1963-08-27
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Tom W Bonner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:21
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A RADIATION DETECTOR OF THE PROPORTIONAL COUNTER TYPE COMPRISING A PRESSURE-TIGHT CLOSED CONTAINER PREVIOUS TO TRANSMISSION THERETHROUGH OF NEUTRONS IN THE THERMAL AND EPITHERMAL ENERGY REGIONS, AN ELECTRODE EXTENDING THROUGH SAID CONTAINER IN SPACED RELATION WITH THE ENCLOSING WALLS AND INSULATED THEREFROM, A DETECTOR GAS WITHIN SAID CONTAINER OF COMPOSITION AND PRESSURE CHARACTERIZED BY ITS HIGH SENSITIVITY TO NEUTRONS IN THE THERMAL AND EPITHERMAL REGIONS AND ITS INSENSITIVITY TO GAMMA RAYS, SAID GAS CONSISTING SUBSTANTIALLY EXCLUSIVELY OF HIGH PURITY HELIUM-3
Claim 2
Dependent Claim
80 words
A RADIATION DETECTOR OF THE PROPORTIONAL COUNTER TYPE COMPRISING A PRESSURE-TIGHT CLOSED CONTAINER PREVIOUS TO TRANSMISSION THERETHROUGH OF NEUTRONS IN THE THERMAL AND EPITHERMAL ENERGY REGIONS, AN ELECTRODE EXTENDING THROUGH SAID CONTAINER IN SPACED RELATION WITH THE ENCLOSING WALLS AND INSULATED THEREFROM, A DETECTOR GAS WITHIN SAID CONTAINER OF COMPOSITION AND PRESSURE CHARACTERIZED BY ITS HIGH SENSITIVITY TO NEUTRONS IN THE THERMAL AND EPITHERMAL REGIONS AND ITS INSENSITIVITY TO GAMMA RAYS, SAID GAS CONSISTING SUBSTANTIALLY EXCLUSIVELY OF HIGH PURITY HELIUM-3
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |