Patent US3553566A successfully refreshed from Google Patents.
Patent US2737589A successfully refreshed from Google Patents.
US2737589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion source for a calutron
Assignee: Individual
•
Filing: 1945-02-19
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Granted: 1956-03-06
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Expires: 1965-02-19
Abstract
No abstract record available.
Inventors
- 👤 William M Brobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:26
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/28; H01J49/30; H01J49/02; H01J49/10; H01J49/12; H01J49/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN COMBINATION WITH AN APPARATUS ADAPTED TO RECEIVE A BEAM OF IONS AND HAVING A WALL DEFINING AN EVACUATED SPACE OF DEVICE FOR PRODUCING IONS, WHICH COMPRISES WALLS DEFINING A CHARGE CHAMBER, MEANS FOR HEATING SAID CHARGE CHAMBER, WALLS DEFINING AN IONIZATION CHAMBER IN COMMUNICATION WITH SAID EVACUATED SPACE, MEANS PROVIDING AN ELECTRON DISCHARGE WITHIN SAID IONIZATION CHAMBER, INDEPENDENTLY CONTROLLABLE MEANS FOR HEATING SAID IONIZATION CHAMBER, AND A PLURALITY OF CONDUITS LEADING FROM SAID CHARGE CHAMBER TO SAID IONIZATION CHAMBER.
Claim 2
Dependent Claim
80 words
IN COMBINATION WITH AN APPARATUS ADAPTED TO RECEIVE A BEAM OF IONS AND HAVING A WALL DEFINING AN EVACUATED SPACE OF DEVICE FOR PRODUCING IONS, WHICH COMPRISES WALLS DEFINING A CHARGE CHAMBER, MEANS FOR HEATING SAID CHARGE CHAMBER, WALLS DEFINING AN IONIZATION CHAMBER IN COMMUNICATION WITH SAID EVACUATED SPACE, MEANS PROVIDING AN ELECTRON DISCHARGE WITHIN SAID IONIZATION CHAMBER, INDEPENDENTLY CONTROLLABLE MEANS FOR HEATING SAID IONIZATION CHAMBER, AND A PLURALITY OF CONDUITS LEADING FROM SAID CHARGE CHAMBER TO SAID IONIZATION CHAMBER.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |