Patent US549235A successfully refreshed from Google Patents.
US2736809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion generator and projector
Assignee: Individual
•
Filing: 1945-11-06
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Granted: 1956-02-28
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Expires: 1965-11-06
Abstract
No abstract record available.
Inventors
- 👤 Conrad G Bacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:45
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/10; H01J49/12; H01J49/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN IN SOURCE COMPRISING A CATHODE MADE OF URANIUM CONTAINING COMPOUND AND AN ANODE MADE OF URANIUM CONTAINING COMPOUND, MEANS FOR STRIKING AN ARC BETWEEN SAID CATHODE AND SAID ANODE, WHEREBY IONS OF URANIUM ARE PRODUCED, MEANS FOR MAINTAINING SAID CATHODE AT A CONSTANT NEGATIVE POTENTIAL WITH RESPECT TO SAID ANODE, AND MEANS FOR CAUSING IONS TO BE PROJECTED FROM THE IONIZING REGION PAST THE CATHODE IN A DIRECTION AWAY FROM THE ANODE.
Claim 2
Dependent Claim
73 words
AN IN SOURCE COMPRISING A CATHODE MADE OF URANIUM CONTAINING COMPOUND AND AN ANODE MADE OF URANIUM CONTAINING COMPOUND, MEANS FOR STRIKING AN ARC BETWEEN SAID CATHODE AND SAID ANODE, WHEREBY IONS OF URANIUM ARE PRODUCED, MEANS FOR MAINTAINING SAID CATHODE AT A CONSTANT NEGATIVE POTENTIAL WITH RESPECT TO SAID ANODE, AND MEANS FOR CAUSING IONS TO BE PROJECTED FROM THE IONIZING REGION PAST THE CATHODE IN A DIRECTION AWAY FROM THE ANODE.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |