Patent US3399302A successfully refreshed from Google Patents.
US3399302A
Expired / Lapsed
US
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Gamma radiation sensor and detection system
Assignee: Boeing North American Inc
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Filing: 1964-06-19
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Granted: 1968-08-27
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Terry E Carrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:12
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A RADIATION DETECTION SYSTEM INCLUDING AN UNSHIELDED RADIATION SENSOR RESPONSIVE TO GAMMA RAYS HAVING FIRST AND SECOND SCINTILLATION MEANS OPTICALLY DECOUPLED FROM EACH OTHER, SAID SECOND MEANS BEING PROTECTED FROM RADIATION OTHER THAN GAMMA TYPE RADIATION BY SAID FIRST MEANS, MEANS FOR ELECTRONICALLY DISCRIMINATION BETWEEN GAMMA RADIATION IMPINGING UPON SAID FIRST AND SECOND MEANS WHICH IS WITHIN A PRESELECTED ENERGY RANGE AND GAMMA RADIATION OUTSIDE SAID RANGE, SAID DISCRIMINATING MEANS HAVING FIRST PHOTOMULTIPLER MEANS INCLUDING A PAIR OF PHOTOMULTIPLIER TUBES FOR GENERATING A SIGNAL IN RESPONSE TO THE DETECTION OF A RADIATION EVENT IN SAID FIRST SCINTILLATION MEANS, AND SECOND PHOTOMULTIPLIER MEANS FOR GENERATING A SIGNAL IN RESPONSE TO THE DETECTION OF A GAM-
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) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |