US3205398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long-slot coupled wave propagating circuit
Assignee: Individual
•
Filing: 1960-04-18
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Granted: 1965-09-07
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Matthew A Allen
- 👤 Gordon S Kino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:04
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A TRAVELLING WAVE TUBE WHICH COMPRISES MEANS FOR GENERATING A BEAM OF ELECTRONS, A WAVE PROPAGATING STRUCTURE INCLUDING A GENERALLY CYLINDRICAL WAVEGUIDE AND A SERIES OF DISK-LOADING ELEMENTS THEREIN AT PERIODIC INTERVALS, EACH DISK HAVING A CENTRAL APERTURE ALIGNED WITH SAID ELECTRON BEAM, SAID DISK-LOADED CYLINDRICAL WAVEGUIDE FORMING A PLURALITY OF CAVITY RESONATORS HAVING A PREDETERMINED RESONANT FREQUENCY, MEANS COUPLING ADJOINING CAVITY RESONATORS AND HAVING A RESONANT FRE-
Claim 2
Dependent Claim
68 words
A TRAVELLING WAVE TUBE WHICH COMPRISES MEANS FOR GENERATING A BEAM OF ELECTRONS, A WAVE PROPAGATING STRUCTURE INCLUDING A GENERALLY CYLINDRICAL WAVEGUIDE AND A SERIES OF DISK-LOADING ELEMENTS THEREIN AT PERIODIC INTERVALS, EACH DISK HAVING A CENTRAL APERTURE ALIGNED WITH SAID ELECTRON BEAM, SAID DISK-LOADED CYLINDRICAL WAVEGUIDE FORMING A PLURALITY OF CAVITY RESONATORS HAVING A PREDETERMINED RESONANT FREQUENCY, MEANS COUPLING ADJOINING CAVITY RESONATORS AND HAVING A RESONANT FRE-
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |