US2736815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomic radiation detector
Assignee: International X Ray Inc
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Filing: 1952-02-12
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Granted: 1956-02-28
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Expires: 1972-02-12
Abstract
No abstract record available.
Inventors
- 👤 Hamilton L J Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN INSTRUMENT FOR EMERGENCY DIRECTIONAL DETECTION OF RADIO-ACTIVITY PRODUCED BY NUCLEONIC FISSION COMPRISING AN ELONGATED CASING STRUCTURE HAVING A SIGHTING WHICH END AND INCLUDING THEREIN A TUBE HAVING A CHAMBER WHICH IS ELONGATED, SAID TUBE BEING FORMED OF A MATERIAL HAVING A HIGH RADIATION ABSORPTION COEFFICIENT, AND A FLUORESCENT SCREEN CAPABLE OF FLUORESCING UNDER THE INFLUENCE OF RADIATION PRODUCED AS A RESULT OF NUCEONIC FISSION DISPOSED
Claim 2
Dependent Claim
66 words
AN INSTRUMENT FOR EMERGENCY DIRECTIONAL DETECTION OF RADIO-ACTIVITY PRODUCED BY NUCLEONIC FISSION COMPRISING AN ELONGATED CASING STRUCTURE HAVING A SIGHTING WHICH END AND INCLUDING THEREIN A TUBE HAVING A CHAMBER WHICH IS ELONGATED, SAID TUBE BEING FORMED OF A MATERIAL HAVING A HIGH RADIATION ABSORPTION COEFFICIENT, AND A FLUORESCENT SCREEN CAPABLE OF FLUORESCING UNDER THE INFLUENCE OF RADIATION PRODUCED AS A RESULT OF NUCEONIC FISSION DISPOSED
References Cited (Backward Citations)
US1385696A
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US1596328A
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US2290767A
Cited
US2513805A
Cited
US2666856A
Cited
US2578703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |