US3414726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionization chamber for high-tension alternating current operation
Assignee: Groupement Atomique Alsacienne Atlantique SA
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Filing: 1964-11-03
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Granted: 1968-12-03
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Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Chameroy Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:53
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02; G; G01; G01T; G01T1/00; G01T1/16; G01T1/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN IONIZATION CHAMBER ADAPTED TO BE ENERGIZED BY HIGH VOLTAGE ALTERNATING CURRENT COMPRISING: TWO SUBSTANTIALLY IDENTICAL HIGH VOLTAGE ELECTRODES; A COLLECTING ELECTRODE; TWO SUBTANTIALLY IDENTICAL IONIZATION COMPARTMENTS, EACH SAID COMPARTMENT BEING DEFINED BETWEEN A DIFFERENT ONE OF SAID HIGH VOLTAGE ELECTRODES AND SAID COLLECTING ELECTRODE; MEANS FOR MAINTAINING SAID COLLECTING ELECTRODE AT A CONSTANT VOLTAGE;
Claim 2
Dependent Claim
55 words
AN IONIZATION CHAMBER ADAPTED TO BE ENERGIZED BY HIGH VOLTAGE ALTERNATING CURRENT COMPRISING: TWO SUBSTANTIALLY IDENTICAL HIGH VOLTAGE ELECTRODES; A COLLECTING ELECTRODE; TWO SUBTANTIALLY IDENTICAL IONIZATION COMPARTMENTS, EACH SAID COMPARTMENT BEING DEFINED BETWEEN A DIFFERENT ONE OF SAID HIGH VOLTAGE ELECTRODES AND SAID COLLECTING ELECTRODE; MEANS FOR MAINTAINING SAID COLLECTING ELECTRODE AT A CONSTANT VOLTAGE;
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |