Patent US5330730A successfully refreshed from Google Patents.
Patent US3288995A successfully refreshed from Google Patents.
US3288995A
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Method and apparatus for monitoring radioactive contamination of air using a film ofwater and a scintillation detector
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1962-05-28
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Granted: 1966-11-29
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Howard L Demorest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:00
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A RADIATION MONITORING APPARATUS WHICH COMPRISES MEANS FOR SORBING WATER VAPOR CONTAINING RADIOACTIVE CONTAMINATION TO FORM A THIN LAYER OF WATER CONTAINING SAID RADIOACTIVE CONTAMINATION, A RADIOACTIVE RADIATION RESPONSIVE SCINTILLATION MATERIAL, SAID MATERIAL HAVING A SURFACE COATED WITH SAID SORBING MEANS, SAID SCINTILLATION MATERIAL BEING EFFECTIVE TO GENERATE LIGHT PULSES INDICATIVE OF THE CONCENTRATION OF SAID CONTAMINATION, A PHOTOELECTRIC MULTIPLIER MEANS ASSOCIATED WITH SAID SCINTILLATION MATERIAL FOR DETECTING SAID LIGHT PULSES AND MEANS FOR CORRELATING THE QUANTITY OF SAID LIGHT PULSES WITH THE CONCENTRATION OF SAID RADIOACTIVE CONTAMINATION IN SAID LAYER.
Claim 2
Dependent Claim
91 words
A RADIATION MONITORING APPARATUS WHICH COMPRISES MEANS FOR SORBING WATER VAPOR CONTAINING RADIOACTIVE CONTAMINATION TO FORM A THIN LAYER OF WATER CONTAINING SAID RADIOACTIVE CONTAMINATION, A RADIOACTIVE RADIATION RESPONSIVE SCINTILLATION MATERIAL, SAID MATERIAL HAVING A SURFACE COATED WITH SAID SORBING MEANS, SAID SCINTILLATION MATERIAL BEING EFFECTIVE TO GENERATE LIGHT PULSES INDICATIVE OF THE CONCENTRATION OF SAID CONTAMINATION, A PHOTOELECTRIC MULTIPLIER MEANS ASSOCIATED WITH SAID SCINTILLATION MATERIAL FOR DETECTING SAID LIGHT PULSES AND MEANS FOR CORRELATING THE QUANTITY OF SAID LIGHT PULSES WITH THE CONCENTRATION OF SAID RADIOACTIVE CONTAMINATION IN SAID LAYER.
References Cited (Backward Citations)
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Cited
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Cited
US3084252A
Cited
US3076093A
Cited
US3087060A
Cited
US3116414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |