Patent US2959679A successfully refreshed from Google Patents.
US2959679A
Expired / Lapsed
US
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Radiation gauges having ionization chambers
Assignee: Molins Machine Co Ltd
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Filing: 1957-05-15
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Granted: 1960-11-08
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Powell Gordon Franc Wellington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:03
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/12; A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/3412; G01B; G01B15/00; G01B15/02; G01B15/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN IONIZATION CHAMBER FOR A RADIATION GAUGE FOR MEASURING A MOVING TOBACCO FILLER INCLUDING A RADIOACTIVE SOURCE, AND CHAMBER HAVING A WINDOW AND CONTAINING PLATELIKE ELECTRODES SO DISPOSED THAT THEY LIE IN PLANES TRANSVERSE TO THE PLANE OF THE WINDOW, AND MEANS FOR ROTATING THE CHAMBER WHEREBY THE ELECTRODE PLATES MAY BE DISPOSED IN DIFFERENT ANGULAR RELATIONSHIPS TO THE RADIO-ACTIVE SOURCE OF THE GAUGE, THUS PRESENTING IN COMBINATION WITH THE TOBACCO FILLER PASSING BETWEEN THE SOURCE AND THE CHAMBER DIFFERING AREAS OF CHAMBER TO THE RAYS EMITTED FROM THE SOURCE.
Claim 2
Dependent Claim
90 words
AN IONIZATION CHAMBER FOR A RADIATION GAUGE FOR MEASURING A MOVING TOBACCO FILLER INCLUDING A RADIOACTIVE SOURCE, AND CHAMBER HAVING A WINDOW AND CONTAINING PLATELIKE ELECTRODES SO DISPOSED THAT THEY LIE IN PLANES TRANSVERSE TO THE PLANE OF THE WINDOW, AND MEANS FOR ROTATING THE CHAMBER WHEREBY THE ELECTRODE PLATES MAY BE DISPOSED IN DIFFERENT ANGULAR RELATIONSHIPS TO THE RADIO-ACTIVE SOURCE OF THE GAUGE, THUS PRESENTING IN COMBINATION WITH THE TOBACCO FILLER PASSING BETWEEN THE SOURCE AND THE CHAMBER DIFFERING AREAS OF CHAMBER TO THE RAYS EMITTED FROM THE SOURCE.
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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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |