US2735947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation detector
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:59
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/185
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A PORTABLE RADIATION DETECTOR OF THE CHARACTER DESCRIBED, COMPRISING: A HOUSING ADAPTED TO BE CARRIED MANUALLY TO SERVE BOTH AS AN IONIZATION CHAMBER AND AS AN ENCLOSURE FOR THE DETECTOR PARTS; A REMOVABLE CLOSURE FOR SAID HOUSING; AN INNER ELECTRODE FOR THE IONIZATION CHAMBER MOUNTED ON THE INNER SIDE OF SAID CLOSURE; A DETECTOR CIRCUIT MOUNTED ON THE INNER SIDE OF SAID CLOSURE INCLUDING A VACUUM TUBE WITH ITS GRID IN COMMUNICATION WITH SAID INNER ELECTRODE; SIGNAL MEANS ON SAID CLOSURE RESPON-
References Cited (Backward Citations)
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US2346043A
Cited
US2437913A
Cited
US2574000A
Cited
US2617044A
Cited
US2696564A
Cited
US3365855A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |