US3096457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave tube utilizing a secondary emissive cathode
Assignee: Raytheon Co
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Filing: 1959-03-31
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Granted: 1963-07-02
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Smith
- 👤 George H Macmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:42
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/42; H01J25/44; H01J25/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A TRAVELLING WAVE ELECTRON DISCHARGE DEVICE COMPRISING A DELAY LINE FOR PROPAGATING A TRAVELING WAVE, AN INPUT TERMINAL COUPLED TO ONE END OF SAID DELAY LINE, A COLD CATHODE, AND MEANS FOR SUPPLYING HIGH FREQUENCY INPUT ENERGY TO SAID INPUT TERMINAL FOR EFFECTING INTIAL BOMBARDMENT OF SAID COLD CATHODE BY FREE ELECTRONS AND BY GAS MOLECULES, SAID CATHODE SUPPLYING ELECTRONS FOR
Claim 2
Dependent Claim
61 words
A TRAVELLING WAVE ELECTRON DISCHARGE DEVICE COMPRISING A DELAY LINE FOR PROPAGATING A TRAVELING WAVE, AN INPUT TERMINAL COUPLED TO ONE END OF SAID DELAY LINE, A COLD CATHODE, AND MEANS FOR SUPPLYING HIGH FREQUENCY INPUT ENERGY TO SAID INPUT TERMINAL FOR EFFECTING INTIAL BOMBARDMENT OF SAID COLD CATHODE BY FREE ELECTRONS AND BY GAS MOLECULES, SAID CATHODE SUPPLYING ELECTRONS FOR
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |