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US3288995A Expired / Lapsed US ⏱️ 0.0 years remaining

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
•
Filing: 1962-05-28
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Granted: 1966-11-29
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Expires: 1982-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Howard L Demorest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:21
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)

US2629253A Cited
US2892091A 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

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