Patent US3101408A successfully refreshed from Google Patents.
US3101408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionizing radiation detector of the scintillation photoconductive type
Assignee: Individual
•
Filing: 1961-01-18
•
Granted: 1963-08-20
•
Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 John W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
APPARATUS FOR DETECTING AND INDICATING IONIZING RADIATION COMPRISING, IN COMBINATION: A NORMALLY NONCONDUCTIVE DETECTING HEAD HAVING SCINTILLATION, PHOTOCONDUCTIVE, AND ELECTROLUMINESCENT MATERIALS DISPOSED BETWEEN A PAIR OF COINDUCTING PLATES; AN ALTERNATING CURRENT SUPPLY; AN INDICATOR RESPONSIVE TO CURRENT FLOW; A QUENCHER ADAPTED TO STOP CURRENT FLOW THERETHROUGH AT A PREDETERMINED VALUE; AND AN ELECTRICAL CONDUCTOR MEANS CONNECTING SAID DETECTING HEAD, SAID ALTERNATING CURRENT SUPPLY, SAID INDICATOR AND SAID QUENCHER IN SERIES TO FORM A CLOSED CIRCUIT; WHEREBY SAID DETECTING HEAD CONDUCTS A CURRENT THROUGH SAID CIRCUIT WHEN IT IS SUBJECTED TO IONIZING RADIATION.
Claim 2
Dependent Claim
92 words
APPARATUS FOR DETECTING AND INDICATING IONIZING RADIATION COMPRISING, IN COMBINATION: A NORMALLY NONCONDUCTIVE DETECTING HEAD HAVING SCINTILLATION, PHOTOCONDUCTIVE, AND ELECTROLUMINESCENT MATERIALS DISPOSED BETWEEN A PAIR OF COINDUCTING PLATES; AN ALTERNATING CURRENT SUPPLY; AN INDICATOR RESPONSIVE TO CURRENT FLOW; A QUENCHER ADAPTED TO STOP CURRENT FLOW THERETHROUGH AT A PREDETERMINED VALUE; AND AN ELECTRICAL CONDUCTOR MEANS CONNECTING SAID DETECTING HEAD, SAID ALTERNATING CURRENT SUPPLY, SAID INDICATOR AND SAID QUENCHER IN SERIES TO FORM A CLOSED CIRCUIT; WHEREBY SAID DETECTING HEAD CONDUCTS A CURRENT THROUGH SAID CIRCUIT WHEN IT IS SUBJECTED TO IONIZING RADIATION.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |