US3249755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket dosimeter using a phosphor and photocathode
Assignee: Bendix Corp
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Filing: 1962-08-29
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Granted: 1966-05-03
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Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Vijay N Pawar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:05
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/12; G; G01; G01T; G01T1/00; G01T1/02; G01T1/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
APPARATUS FOR SENSING RADIATION COMPRISING AN AIR TIGHT EVACUATED CYLINDRICAL HOUSING COMPRISING A CYLINDER PHOSPHOR MATERIAL BEING LOCATED ADJACNET TO AND INTERIORLY OF SAID HOUSING, AND POSITIONED TO RECEIVE THE INCOMING RADIATION AND EMIT A CORRESPONDING NUMBER OF PHOTONS, A CYLINDER OF PHOTOCATHODE MATERIAL BEING LOCATED CONTIGUOUS TO AND INTERIORLY OF SAID PHOSPHOR MATERIAL, AND POSITIONED TO RECEIVE THE PHOTONS THEREFROM AND EMIT A CORRESPONDING NUMBER OF ELECTRONS, ELECTROMETER MEANS BEING INSIDE OF SAID PHOTOCATHODE MATERIAL AND COMPRISING A FRAME AND A FLEXIBLE FIBRE CONNECTED TO SAID FRAME, MEANS TO PLACE SAID FRAME AT A PREDETERMINED POTENTIAL.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |