US3230413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial cavity slow wave structure with negative mutual inductive coupling
Assignee: Varian Medical Systems Inc
•
Filing: 1961-02-27
•
Granted: 1966-01-18
•
Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Chodorow Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:23
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HIGH FREQUENCY ELECTRON DISCHARGE DEVICE COMPRISING AN ELECTRON GUN, SLOW WAVE CIRCUIT AND COLLECTOR ASSEMBLY OPERATIVELY CONNECTED TO FORM A TRAVELING WAVE TUBE, SAID SLOW WAVE CIRCUIT COMPRISING, A PLURALITY OF SUCCESSIVELY COUPLED COAXIAL CAVITY RESONATORS, SAID COAXIAL CAVITY RESONATORS HAVING AN INNER CONDUCTOR DISPOSED WITHIN AN OUTER CONDUCTOR, AT LEAST TWO ADJACENT COAXIAL CAVITIES OF SAID PLURALITY OF COUPLED COAXIAL CAVITY RESONATORS BEING INTERCOUPLED BY NEGATIVE MUTUAL INDUCTIVE COUPLING MEANS.
Claim 2
Dependent Claim
72 words
A HIGH FREQUENCY ELECTRON DISCHARGE DEVICE COMPRISING AN ELECTRON GUN, SLOW WAVE CIRCUIT AND COLLECTOR ASSEMBLY OPERATIVELY CONNECTED TO FORM A TRAVELING WAVE TUBE, SAID SLOW WAVE CIRCUIT COMPRISING, A PLURALITY OF SUCCESSIVELY COUPLED COAXIAL CAVITY RESONATORS, SAID COAXIAL CAVITY RESONATORS HAVING AN INNER CONDUCTOR DISPOSED WITHIN AN OUTER CONDUCTOR, AT LEAST TWO ADJACENT COAXIAL CAVITIES OF SAID PLURALITY OF COUPLED COAXIAL CAVITY RESONATORS BEING INTERCOUPLED BY NEGATIVE MUTUAL INDUCTIVE COUPLING MEANS.
References Cited (Backward Citations)
US2411535A
Cited
US2423327A
Cited
FR994143A
Cited
US2636948A
Cited
US2827589A
Cited
US2842705A
Cited
US2967968A
Cited
US3015750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |