US3364353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus having opposing circuits of different time constants for detecting beta and gamma radiation in the presence of background radiation
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1964-01-15
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Granted: 1968-01-16
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Roulet Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/167; G01T1/17; G01T1/178; G01T7/00; G01T7/12; G01T7/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
B AND Y RADIATION DETECTION DEVICE FOR MEASURING RADIATION IN THE PRESENCE OF HEAVY BACKGROUND RADIATION COMPRISING TWO INTEGRATOR CIRCUITS, A PLURALITY OF ELEMENTS RESPONSIVE TO THE RADIATIONS TO BE DETECTED CONNECTED TO SAID CIRCUITS, SAID CIRCUITS BEING CONNECTED TO BUCK EACH OTHER AND AN INDICATOR DIRECTLY CONNECTED TO SAID CIRCUITS FOR COMPARING THE SIGNALS FROM SAID CIRCUITS, SAID CIRCUITS HAVING DIFFERENT TIME CONSTANTS.
Claim 2
Dependent Claim
64 words
B AND Y RADIATION DETECTION DEVICE FOR MEASURING RADIATION IN THE PRESENCE OF HEAVY BACKGROUND RADIATION COMPRISING TWO INTEGRATOR CIRCUITS, A PLURALITY OF ELEMENTS RESPONSIVE TO THE RADIATIONS TO BE DETECTED CONNECTED TO SAID CIRCUITS, SAID CIRCUITS BEING CONNECTED TO BUCK EACH OTHER AND AN INDICATOR DIRECTLY CONNECTED TO SAID CIRCUITS FOR COMPARING THE SIGNALS FROM SAID CIRCUITS, SAID CIRCUITS HAVING DIFFERENT TIME CONSTANTS.
References Cited (Backward Citations)
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |