Patent US2725965A successfully refreshed from Google Patents.
US3129356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast electromagnetic wave and undulating electron beam interaction structure
Assignee: General Electric Co
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Filing: 1959-05-28
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Granted: 1964-04-14
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Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert M Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H05; H05H; H05H9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A HIGH FREQUENCY ENERGY INTERCHANGE DEVICE INCLUDING IN COMBINATION OF WAVEGUIDE STRUCTURE ADAPTED TO PROPOGATE HIGH FREQUENCY ELECTROMAGNETIC WAVES HAVING A TRANSVERSE ELECTRIC ON TYPE MODE, MEANS FOR CAUSING PROPAGATION OF ELECTROMAGNETIC WAVES ALONG SAID WAVEGUIDE STRUCTURE IN SAID TRANSVERSE ELECTRIC ON TYPE MODE, ELECTRON GUN MEANS POSITIONED FOR DIRECTING A STREAM OF ELECTRONS DOWN THE LENGTH OF SAID WAVEGUIDE, AND PERIODIC ELECTRON STREAM FOCUSING MEANS FOR CAUSING THE ELECTRONS TO HAVE A PERIODIC UNDULATORY MOTION ALONG THE ELECTRIC FLUX LINES OF TRANVERSE ELECTRIC FIELD OF THE SAID ELECTROMAGNETIC WAVES, SAID ELECTRON GUN MEANS DIRECTING THE ELECTRON STREAM DOWN SAID GUIDE AT SUCH A VELOCITY THAT THE ELECTRON STREAM PROGRESS DOWN SAIDE WAVEGUIDE ONE PERIOD WHILE SAID ELECTROMAGNETIC WAVE IS PROPAGATED SUBSTANTIALLY ONE PERIOD PLUS ONE WAVE LENGTH.
Claim 2
Dependent Claim
128 words
A HIGH FREQUENCY ENERGY INTERCHANGE DEVICE INCLUDING IN COMBINATION OF WAVEGUIDE STRUCTURE ADAPTED TO PROPOGATE HIGH FREQUENCY ELECTROMAGNETIC WAVES HAVING A TRANSVERSE ELECTRIC ON TYPE MODE, MEANS FOR CAUSING PROPAGATION OF ELECTROMAGNETIC WAVES ALONG SAID WAVEGUIDE STRUCTURE IN SAID TRANSVERSE ELECTRIC ON TYPE MODE, ELECTRON GUN MEANS POSITIONED FOR DIRECTING A STREAM OF ELECTRONS DOWN THE LENGTH OF SAID WAVEGUIDE, AND PERIODIC ELECTRON STREAM FOCUSING MEANS FOR CAUSING THE ELECTRONS TO HAVE A PERIODIC UNDULATORY MOTION ALONG THE ELECTRIC FLUX LINES OF TRANVERSE ELECTRIC FIELD OF THE SAID ELECTROMAGNETIC WAVES, SAID ELECTRON GUN MEANS DIRECTING THE ELECTRON STREAM DOWN SAID GUIDE AT SUCH A VELOCITY THAT THE ELECTRON STREAM PROGRESS DOWN SAIDE WAVEGUIDE ONE PERIOD WHILE SAID ELECTROMAGNETIC WAVE IS PROPAGATED SUBSTANTIALLY ONE PERIOD PLUS ONE WAVE LENGTH.
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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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |