US3091716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well-type ionisation chamber
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1960-06-01
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Granted: 1963-05-28
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Expires: 1980-06-01
Abstract
No abstract record available.
Inventors
- 👤 Engelmann Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:59
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A WELL-TYPE IONISATION CHAMBER COMPRISING A SPACED DOUBLE-WALLED CYLINDRICAL BODY FORMING A WELL, A PLATE MOUNTING FOR SAID BODY, A FLUID SEAL BETWEEN SAID BODY AND SAID PLATE, A CYLINDRICAL HIGH-VOLTAGE ELECTRODE, A CYLINDRICAL LOW-VOLTAGE ELECTRODE, SAID ELECTRODES BEING SPACED FROM EACH OTHER AND COAXIAL WITH AND SPACED FROM AND BETWEEN SAID WALLS, MOVABLE MEANS FOR VARYING THE DISTANCE BETWEEN SAID ELECTRODES ALONG THE AXIS OF SAID BODY WITH MINIMUM DISTANCE IN THE VICINITY OF THE CENTRAL REGION OF SAID BODY, MEANS FOR RIGIDLY SECURING SAID ELECTRODES WITH RESPECT TO SAID WALLS OF SAID BODY, FLUID-TIGHT ELECTRICAL CONNECTIONS THROUGH SAID PLATE FOR SAID ELECTRODES AND AN IONIZABLE GAS SEALED WITHIN SAID SPACED DOUBLE WALLS.
Claim 2
Dependent Claim
114 words
A WELL-TYPE IONISATION CHAMBER COMPRISING A SPACED DOUBLE-WALLED CYLINDRICAL BODY FORMING A WELL, A PLATE MOUNTING FOR SAID BODY, A FLUID SEAL BETWEEN SAID BODY AND SAID PLATE, A CYLINDRICAL HIGH-VOLTAGE ELECTRODE, A CYLINDRICAL LOW-VOLTAGE ELECTRODE, SAID ELECTRODES BEING SPACED FROM EACH OTHER AND COAXIAL WITH AND SPACED FROM AND BETWEEN SAID WALLS, MOVABLE MEANS FOR VARYING THE DISTANCE BETWEEN SAID ELECTRODES ALONG THE AXIS OF SAID BODY WITH MINIMUM DISTANCE IN THE VICINITY OF THE CENTRAL REGION OF SAID BODY, MEANS FOR RIGIDLY SECURING SAID ELECTRODES WITH RESPECT TO SAID WALLS OF SAID BODY, FLUID-TIGHT ELECTRICAL CONNECTIONS THROUGH SAID PLATE FOR SAID ELECTRODES AND AN IONIZABLE GAS SEALED WITHIN SAID SPACED DOUBLE WALLS.
References Cited (Backward Citations)
US2227829A
Cited
US2919370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |