US3239665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoluminescent dosimetry with calibrating standard
Assignee: Revvity Inc
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Filing: 1962-08-09
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Granted: 1966-03-08
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Blase
- 👤 David F Rutland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:25
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/61; C09K11/615; C09K11/616; G; G01; G01T; G01T1/00; G01T1/02; G01T1/10; G01T1/11; G01T1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF MEASURING RADIATION WHICH COMPRISES: EXPOSING A THERMOLUMINESCENT MATERIAL TO THE RADIATION WHICH IS TO BE MEASURED; HEATING SAID EXPOSED THERMOLUMINESCENT MATERIAL TO A TEMPERATURE AT WHICH IT WILL EMIT LIGHT; CONVERTING SAID LIGHT EMITTED DURING THE HEATING OF SAID THERMOLUMINESCENT MATERIAL INTO AN ELECTRIC CURRENT PROPORTIONAL TO THE LIGHT SO EMITTED;
Claim 2
Independent Claim
54 words
THE METHOD OF MEASURING RADIATION WHICH COMPRISES: EXPOSING A THERMOLUMINESCENT MATERIAL TO THE RADIATION WHICH IS TO BE MEASURED; HEATING SAID EXPOSED THERMOLUMINESCENT MATERIAL TO A TEMPERATURE AT WHICH IT WILL EMIT LIGHT; CONVERTING SAID LIGHT EMITTED DURING THE HEATING OF SAID THERMOLUMINESCENT MATERIAL INTO AN ELECTRIC CURRENT PROPORTIONAL TO THE LIGHT SO EMITTED;
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |