US2686266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in radiation detectors
Assignee: Individual
•
Filing: 1950-01-12
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Granted: 1954-08-10
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Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 Robert W Pringle
- 👤 Kenneth I Roulston
- 👤 George M Brownell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:17
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/30; G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A METER FOR THE DETECTION AND MEASURING OF GAMMA RAYS IN COMBINATION, A SINGLE UNIT CRYSTAL, HAVING A MASS OF AT LEAST 10 GRAMS, CAPABLE OF SCINTILLATING UNDER THE INPACT OF GAMMA RAYS SAID METER HAVING A PHOTO-SENSITIVE SURFACE ILLUMINABLE BY THE SCINTILLATIONS FROM SAID CRYSTALS, FOR CONVERTING SAME INTO ELECTRONIC EMISSIONS, MEANS ASSOCIATED WITH SAID PHOTO-SENSITIVE SURFACE TO AMPLIFY SAID ELECTRONS EMISSIONS, AND AN INDICATOR ELECTRONICALLY CONNECTED TO SAID MEANS FOR SIGNALLING THE CHARACTERISTICS OF THE RADIATION BOMBARDING SAID CRYSTAL.
Claim 2
Dependent Claim
82 words
IN A METER FOR THE DETECTION AND MEASURING OF GAMMA RAYS IN COMBINATION, A SINGLE UNIT CRYSTAL, HAVING A MASS OF AT LEAST 10 GRAMS, CAPABLE OF SCINTILLATING UNDER THE INPACT OF GAMMA RAYS SAID METER HAVING A PHOTO-SENSITIVE SURFACE ILLUMINABLE BY THE SCINTILLATIONS FROM SAID CRYSTALS, FOR CONVERTING SAME INTO ELECTRONIC EMISSIONS, MEANS ASSOCIATED WITH SAID PHOTO-SENSITIVE SURFACE TO AMPLIFY SAID ELECTRONS EMISSIONS, AND AN INDICATOR ELECTRONICALLY CONNECTED TO SAID MEANS FOR SIGNALLING THE CHARACTERISTICS OF THE RADIATION BOMBARDING SAID CRYSTAL.
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |