US3124756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hrbek
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:13
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PARAMETRIC AMPLIFIER COMPRISING: MEANS FOR PROJECTING A FIRST ELECTRON BEAM ALONG A FIRST PATH; MEANS FOR ESTABLISHING ELECTRON RESONANCE FOR ELECTRONS IN SAID BEAM; INPUT COUPLER MEANS FOR DEVELOPING ON SAID BEAM A WAVE CORRESPONDING TO INPUT SIGNAL ENERGY AT A PREDETERMINED FREQUENCY AND WITH A PREDETERMINED PROPAGATION CONSTANT; MEANS FOR PROJECTING AT LEAST ONE ADDITIONAL ELECTRON BEAM ALONG A SECOND PATH DISPOSED IN FIELD COUPLING RELATIONSHIP WITH SAID FIRST BEAM; MEANS FOR DEVELOPING ON SAID ADDITIONAL BEAM A PUMP SIGNAL WAVE, HAVING A FREQUENCY EQUAL TO THE SUM OF SAID PREDETERMINED FREQUENCY AND THE
Claim 2
Dependent Claim
96 words
A PARAMETRIC AMPLIFIER COMPRISING: MEANS FOR PROJECTING A FIRST ELECTRON BEAM ALONG A FIRST PATH; MEANS FOR ESTABLISHING ELECTRON RESONANCE FOR ELECTRONS IN SAID BEAM; INPUT COUPLER MEANS FOR DEVELOPING ON SAID BEAM A WAVE CORRESPONDING TO INPUT SIGNAL ENERGY AT A PREDETERMINED FREQUENCY AND WITH A PREDETERMINED PROPAGATION CONSTANT; MEANS FOR PROJECTING AT LEAST ONE ADDITIONAL ELECTRON BEAM ALONG A SECOND PATH DISPOSED IN FIELD COUPLING RELATIONSHIP WITH SAID FIRST BEAM; MEANS FOR DEVELOPING ON SAID ADDITIONAL BEAM A PUMP SIGNAL WAVE, HAVING A FREQUENCY EQUAL TO THE SUM OF SAID PREDETERMINED FREQUENCY AND THE
References Cited (Backward Citations)
FR1241493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |