Patent US3198945A successfully refreshed from Google Patents.
US3198945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation dosimeter providing a visual representation of total dose
Assignee: General Electric Co
•
Filing: 1961-05-16
•
Granted: 1965-08-03
•
Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Roger A Dewes
- 👤 Edmund E Goodale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:40
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A RADIATION DOSIMETER COMPRISING A PHOSPHOR CRYSTAL WHICH EMITS LIGHT, THE INTENSITY OF WHICH IS PROPORTIONAL TO THE INTENSITY OF RADIATION, A PHOTOVOLTAIC CELL WHICH PROVIDED AN ELECTRIC CURRENT OUTPUT WHICH IS PROPORTIONAL TO THE INTENSITY OF LIGHT, MEANS TO OPTICALLY COUPLE SAID PHOSPHOR CRYSTAL TO SAID PHOTOVOLTAIC CELL, A VISUAL CURRENT INTEGRATOR TO PROVIDE A COLOR INDICATION IN RESPONSE TO THE TOTAL ELECTRICAL CHARGE PASSED THERETHROUGH, AND MEANS TO SERIALLY CONNECT THE OUTPUT CURRENT OF SAID PHOTOVOLTAIC CELL TO PASS THROUGH SAID VISUAL CURRENT INDICATOR WHEREBY THE COLOR INDICATION OF SAID VISUAL CURRENT INTEGRATOR IS INDICATIVE OF THE TOTAL RADIATION DOSE.
References Cited (Backward Citations)
US2564626A
Cited
US2664511A
Cited
US2650309A
Cited
US2768308A
Cited
US2832734A
Cited
US2708242A
Cited
US2957080A
Cited
US2991363A
Cited
US2885562A
Cited
US2858447A
Cited
US2902604A
Cited
US2899560A
Cited
US3030510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |