US3233182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parametric electronic signal amplifying methods and apparatus
Assignee: Zenith Electronics LLC
•
Filing: 1958-05-28
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Granted: 1966-02-01
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:36
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
SIGNAL AMPLIFYING APPARATUS COMPRISING: MEANS INCLUDING AN ELECTRON SOURCE FOR PROJECTING AN ELECTRON BEAM ALONG A PREDETERMINED PATH; MEANS FOR CREATING A CONDITION OF ELECTRON RESONANCE FOR MOTION OF THE ELECTRONS IN SAID BEAM; AN INPUT ELECTRON COUPLER DISPOSED TO INTERACT WITH AND DEVELOP UPON SAID BEAM SIGNALS REPRESENTED BY MOTION OF SAID ELECTRONS; A MOTION EXPANDER FOR SUBJECTING SAID ELECTRONS TO A PERIODIC TIME-VARIABLE INHOMOGENEOUS FIELD THE PERIODICITY OF WHICH IS SO RE-
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |