Patent US3084255A successfully refreshed from Google Patents.
US3084255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation sensitive system
Assignee: Laboratory For Electronics Inc
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Filing: 1958-11-13
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Granted: 1963-04-02
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Expires: 1978-11-13
Abstract
No abstract record available.
Inventors
- 👤 Joris M Brinkerhoff
- 👤 Richard L Bersin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:20
CPC Classifications
G; G01; G01T; G01T7/00; G01T7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
RADIATION MONITORING APPARATUS COMPRISING, FIRST MEANS FOR REMOVING IONS FROM A GAS, SECOND SUBSTANTIALLY FIELD-FREE MEANS FOR ACCUMULATING IONS RESULTING FROM RADIOACTIVE EMANATIONS WITHIN A GAS, THIRD MEANS FOR COLLECTING IONS, AND MEANS FOR DRAWING A GAS SERIALLY THROUGH SAID FIRST, SECOND, AND THIRD MEANS, IN SAID ORDER.
Claim 2
Dependent Claim
48 words
RADIATION MONITORING APPARATUS COMPRISING, FIRST MEANS FOR REMOVING IONS FROM A GAS, SECOND SUBSTANTIALLY FIELD-FREE MEANS FOR ACCUMULATING IONS RESULTING FROM RADIOACTIVE EMANATIONS WITHIN A GAS, THIRD MEANS FOR COLLECTING IONS, AND MEANS FOR DRAWING A GAS SERIALLY THROUGH SAID FIRST, SECOND, AND THIRD MEANS, IN SAID ORDER.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |