Patent US3295070A successfully refreshed from Google Patents.
US3295070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diode tuned circuits
Assignee: Bendix Corp
•
Filing: 1962-03-19
•
Granted: 1966-12-27
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 John M Tewksbury
- 👤 Alfred A Hemphill
- 👤 Robert C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:18
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/242; H03J5/244; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/22; H03J3/00; H03J3/02; H03J3/16; H03J3/18; H03J3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
FOR USE WITH AN OSCILLATOR INCLUDING A RESONANT CIRCUIT HAVING AN INDICATOR AND A CAPACITOR, VARIABLE FREQUENCY SELECING MEANS COMPRISING: A PLURALITY OF CIRCUITS CONNECTED IN PARALLEL WITH SAID INDUCTOR AND SAID CAPACITOR, EACH OF SAID CIRCUITS INCLUDING CAPACITANCE MEANS AND ZENER DIODE MEANS, SAID DIODE MEANS IN EACH OF SAID CIRCUITS HAVING DIFFERENT SELECTED INVERSE BREAKDOWN VOLTAGES, AND VARIABLE POWER SUPPLY MEANS CONNECTED TO SAID CIRCUITS CAPABLE OF SELECTIVELY PROVIDING OPERATING VOLTAGES EXCEEDING THE INDIVIDUAL BREAKDOWN VOLTAGES OF SAID DIODES FOR CAUSING CONDUCTION THROUGH INDIVIDUAL CIRCUITS WHEREBY SAID CAPACITANCE MEANS ARE SELECTIVELY PLACED IN SAID RESONANT CIRCUIT.
Claim 2
Dependent Claim
98 words
FOR USE WITH AN OSCILLATOR INCLUDING A RESONANT CIRCUIT HAVING AN INDICATOR AND A CAPACITOR, VARIABLE FREQUENCY SELECING MEANS COMPRISING: A PLURALITY OF CIRCUITS CONNECTED IN PARALLEL WITH SAID INDUCTOR AND SAID CAPACITOR, EACH OF SAID CIRCUITS INCLUDING CAPACITANCE MEANS AND ZENER DIODE MEANS, SAID DIODE MEANS IN EACH OF SAID CIRCUITS HAVING DIFFERENT SELECTED INVERSE BREAKDOWN VOLTAGES, AND VARIABLE POWER SUPPLY MEANS CONNECTED TO SAID CIRCUITS CAPABLE OF SELECTIVELY PROVIDING OPERATING VOLTAGES EXCEEDING THE INDIVIDUAL BREAKDOWN VOLTAGES OF SAID DIODES FOR CAUSING CONDUCTION THROUGH INDIVIDUAL CIRCUITS WHEREBY SAID CAPACITANCE MEANS ARE SELECTIVELY PLACED IN SAID RESONANT CIRCUIT.
References Cited (Backward Citations)
US2588551A
Cited
US2930991A
Cited
US2959726A
Cited
DE1090727B
Cited
US3070754A
Cited
US3092787A
Cited
FR1267593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |