US3131359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant quadrupole pump
Assignee: Zenith Electronics LLC
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Filing: 1963-04-23
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Granted: 1964-04-28
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
- 👤 George H Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:10
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN AN ELECTRON BEAM PARAMETRIC AMPLIFIER HAVING A PUMP SIGNAL SOURCE OF A PREDETERMINED FREQUENCY, A RESONANT QUADRUPOLE-TYPE PUMP STRUCTURE COMPRISING: FOUR SIMILAR CONDUCTIVE RODS CONSTITUTING THE PRINCIPAL DISTRIBUTED CAPACITANCE OF THE PUMP STRUCTURE AND ENCLOSING A PATH FOR AN ELECTRON BEAM; AT LEAST ONE CONDUCTIVE DISC HAVING FOUR FINGERS DIRECTED RADIALLY INWARD AND CIRCUMSCRIBING SAID CONDUCTORS WITH THE FINGERS OF SAID DISC CONDUCTIVELY AND MECHANICALLY CONNECTED TO SAID CONDUCTORS, RESPECTIVELY, AND CONSTITUTING AN INDUCTANCE FOR ESTABLISHING WITH SAID CAPACITANCE A RESONANT FREQUENCY FOR THE PUMP STRUCTURE CORRESPONDING TO SAID PREDETERMINED FREQUENCY; AND MEANS FOR COUPLING SPACE-OPPOSED PAIRS OF SAID CONDUCTORS TO OPPOSITE-POLARITY TERMINALS OF SAID PUMP SIGNAL SOURCE.
Claim 2
Dependent Claim
109 words
IN AN ELECTRON BEAM PARAMETRIC AMPLIFIER HAVING A PUMP SIGNAL SOURCE OF A PREDETERMINED FREQUENCY, A RESONANT QUADRUPOLE-TYPE PUMP STRUCTURE COMPRISING: FOUR SIMILAR CONDUCTIVE RODS CONSTITUTING THE PRINCIPAL DISTRIBUTED CAPACITANCE OF THE PUMP STRUCTURE AND ENCLOSING A PATH FOR AN ELECTRON BEAM; AT LEAST ONE CONDUCTIVE DISC HAVING FOUR FINGERS DIRECTED RADIALLY INWARD AND CIRCUMSCRIBING SAID CONDUCTORS WITH THE FINGERS OF SAID DISC CONDUCTIVELY AND MECHANICALLY CONNECTED TO SAID CONDUCTORS, RESPECTIVELY, AND CONSTITUTING AN INDUCTANCE FOR ESTABLISHING WITH SAID CAPACITANCE A RESONANT FREQUENCY FOR THE PUMP STRUCTURE CORRESPONDING TO SAID PREDETERMINED FREQUENCY; AND MEANS FOR COUPLING SPACE-OPPOSED PAIRS OF SAID CONDUCTORS TO OPPOSITE-POLARITY TERMINALS OF SAID PUMP SIGNAL SOURCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |