Patent US2391747A successfully refreshed from Google Patents.
Patent US3137792A successfully refreshed from Google Patents.
US3137792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy neutron detector with evacuated chamber
Assignee: Westinghouse Electric Corp
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Filing: 1960-04-01
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Granted: 1964-06-16
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Staples
- 👤 Jr Robert R Warnken
- 👤 Gleason Charles Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:51
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/12; G; G01; G01T; G01T3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A NEUTRON SENSITIVE DEVICE COMPRISING A FIRST ELECTRODE, A SECOND ELECTRODE AND A THIRD ELECTRDE, AN EVACUATED REGION BETWEEN SAID FIRST AND SECOND ELECTRODES AND BETWEEN SAID FIRST AND THIRD ELECTRODES, SAID FIRST, SECOND AND THIRD ELECTRODES EACH COMPRISING MATERIAL EMISSIVE OF CHARGED PARTICLES UPON BOMBARDMENT BY GAMMA RADIATION, ONE OF SAID SECOND AND THIRD ELECTRODES HAVING THEREON A LAYER OF MATERIAL EMISSIVE OF CHARGED PARTICLES UPON BOMBARDMENT BY NEUTRON RADIATION, AND CIRCUIT MEANS TO DERIVE AN OUTPUT SIGNAL PROPORTIONAL TO THE DIFFERENCE OF THE CURRENTS BETWEEN SAID FIRST AND SECOND ELECTRODES AND BETWEEN SAID FIRST AND THIRD EOECTRODES TO DETERMINE THE INTENSITY OF INCIDENT NEUTRON RADIATION.
Claim 2
Dependent Claim
107 words
A NEUTRON SENSITIVE DEVICE COMPRISING A FIRST ELECTRODE, A SECOND ELECTRODE AND A THIRD ELECTRDE, AN EVACUATED REGION BETWEEN SAID FIRST AND SECOND ELECTRODES AND BETWEEN SAID FIRST AND THIRD ELECTRODES, SAID FIRST, SECOND AND THIRD ELECTRODES EACH COMPRISING MATERIAL EMISSIVE OF CHARGED PARTICLES UPON BOMBARDMENT BY GAMMA RADIATION, ONE OF SAID SECOND AND THIRD ELECTRODES HAVING THEREON A LAYER OF MATERIAL EMISSIVE OF CHARGED PARTICLES UPON BOMBARDMENT BY NEUTRON RADIATION, AND CIRCUIT MEANS TO DERIVE AN OUTPUT SIGNAL PROPORTIONAL TO THE DIFFERENCE OF THE CURRENTS BETWEEN SAID FIRST AND SECOND ELECTRODES AND BETWEEN SAID FIRST AND THIRD EOECTRODES TO DETERMINE THE INTENSITY OF INCIDENT NEUTRON RADIATION.
References Cited (Backward Citations)
US2481506A
Cited
US2481964A
Cited
US2564626A
Cited
US2728867A
Cited
US2493935A
Cited
US2577106A
Cited
US2595622A
Cited
US2506944A
Cited
US2756348A
Cited
US2696564A
Cited
US2760078A
Cited
US2854584A
Cited
US2852694A
Cited
US2845560A
Cited
US2993138A
Cited
US3101410A
Cited
US3067329A
Cited
US3052797A
Cited
US3043954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |