US3336477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low background beta detection having a shield separating a beta detector and a cosmic ray detector
Assignee: Beckman Coulter Inc
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Filing: 1963-10-28
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Granted: 1967-08-15
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Rodman A Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:26
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/17; G01T1/178; H; H01; H01J; H01J47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A SYSTEM FOR DETECTING BETA RADIATION, THE ARRANGEMENT COMPRISING: A SAMPLE BETA DETECTOR SENSITIVE TO BETA, GAMMA AND COSMIC RADIATION; A RADIATION SHIELD SUBSTANTIALLY COMPLETELY SURROUNDING SAID SAMPLE BETA DETECTOR AND BEING OF SUFFICIENT THICKNESS TO STOP ESSENTIALLY ALL GAMMA RADIATION AND SECONDARY RADIATION FROM MESON DECAYS IN AN EXTERNAL ENVIRONMENT FROM REACHING SAID SAMPLE BETA DETECTOR; A COSMIC RAY DETECTOR SURROUNDING SAID RADIATION SHIELD TO AN EXTENT ADEQUATE TO INTERCEPT ESSENTIALLY ALL OF THE COSMIC RAY MESON RADIATION INCIDENT UPON SAID RADIATION SHIELD; AND ELECTRICAL ANTI-COINCIDENCE MEANS FOR RECEIVING PULSES FROM EACH OF SAID DETECTORS AND ADAPTED TO PASS ONLY THOSE PULSES FROM SAID BETA DETECTOR WHICH ARE NOT COINCIDENT WITH PULSES FROM SAID COSMIC RAY DETECTOR.
Claim 2
Dependent Claim
119 words
IN A SYSTEM FOR DETECTING BETA RADIATION, THE ARRANGEMENT COMPRISING: A SAMPLE BETA DETECTOR SENSITIVE TO BETA, GAMMA AND COSMIC RADIATION; A RADIATION SHIELD SUBSTANTIALLY COMPLETELY SURROUNDING SAID SAMPLE BETA DETECTOR AND BEING OF SUFFICIENT THICKNESS TO STOP ESSENTIALLY ALL GAMMA RADIATION AND SECONDARY RADIATION FROM MESON DECAYS IN AN EXTERNAL ENVIRONMENT FROM REACHING SAID SAMPLE BETA DETECTOR; A COSMIC RAY DETECTOR SURROUNDING SAID RADIATION SHIELD TO AN EXTENT ADEQUATE TO INTERCEPT ESSENTIALLY ALL OF THE COSMIC RAY MESON RADIATION INCIDENT UPON SAID RADIATION SHIELD; AND ELECTRICAL ANTI-COINCIDENCE MEANS FOR RECEIVING PULSES FROM EACH OF SAID DETECTORS AND ADAPTED TO PASS ONLY THOSE PULSES FROM SAID BETA DETECTOR WHICH ARE NOT COINCIDENT WITH PULSES FROM SAID COSMIC RAY DETECTOR.
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |