Patent US3244990A successfully refreshed from Google Patents.
US3244990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron vacuum tube employing orbiting electrons
Assignee: Wisconsin Alumni Research Foundation
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Filing: 1963-02-26
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Granted: 1966-04-05
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Expires: 1983-02-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Herb
- 👤 Theodore E Pauly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:00
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/02; H01J41/04; H01J41/12; H01J41/14; H01J41/16; H01J9/00; H01J9/38; H03; H03F; H03F3/00; H03F3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN ELECTRONIC DEVICE, COMPRISING THE COMBINATION OF A HOLLOW GENERALLY CYLINDRICAL BOUNDARY ELECTRODE, ENVELOPE MEANS FORMING A VACUUM SPACE INCLUDING THE INTERIOR OF SAID BOUNDARY ELECTRODE, A CYLINDRICAL ANODE EXTENDING AXIALLY WITHIN SAID BOUNDARY ELECTRODE, SAID BOUNDARY ELECTRODE BEING SPACED OUTWARDLY FROM SAID ANODE, MEANS FOR INJECTING ELECTRONS INTO THE SPACE BETWEEN SAID ANODE AND SAID BOUNDARY ELECTRODE AT A PREDETERMINED INJECTION POINT THEREBETWEEN WITH SUBSTANTIAL ANGULAR MOMENTUM ABOUT SAID ANODE SO THAT THE ELECTRONS WILL TRAVEL IN SPIRAL ORBITS AROUND SAID ANODE, A COLLECTOR ANODE SPACED ALONG SAID CYLINDRICAL ANODE FROM SAID INJECTION POINT FOR COLLECTING THE SPIRALLING ELECTRONS, AND A CONTROL ELECTRODE DISPOSED BETWEEN SAID INJECTION POINT AND SAID COLLECTOR ANODE FOR CONTROLLING THE MOVEMENT OF THE SPIRALLING ELECTRONS TO SAID COLLECTOR ANODE.
Claim 2
Dependent Claim
125 words
AN ELECTRONIC DEVICE, COMPRISING THE COMBINATION OF A HOLLOW GENERALLY CYLINDRICAL BOUNDARY ELECTRODE, ENVELOPE MEANS FORMING A VACUUM SPACE INCLUDING THE INTERIOR OF SAID BOUNDARY ELECTRODE, A CYLINDRICAL ANODE EXTENDING AXIALLY WITHIN SAID BOUNDARY ELECTRODE, SAID BOUNDARY ELECTRODE BEING SPACED OUTWARDLY FROM SAID ANODE, MEANS FOR INJECTING ELECTRONS INTO THE SPACE BETWEEN SAID ANODE AND SAID BOUNDARY ELECTRODE AT A PREDETERMINED INJECTION POINT THEREBETWEEN WITH SUBSTANTIAL ANGULAR MOMENTUM ABOUT SAID ANODE SO THAT THE ELECTRONS WILL TRAVEL IN SPIRAL ORBITS AROUND SAID ANODE, A COLLECTOR ANODE SPACED ALONG SAID CYLINDRICAL ANODE FROM SAID INJECTION POINT FOR COLLECTING THE SPIRALLING ELECTRONS, AND A CONTROL ELECTRODE DISPOSED BETWEEN SAID INJECTION POINT AND SAID COLLECTOR ANODE FOR CONTROLLING THE MOVEMENT OF THE SPIRALLING ELECTRONS TO SAID COLLECTOR 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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |