Patent US3317854A successfully refreshed from Google Patents.
US3317854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge-t oscillator circuit with gain control
Assignee: Bendix Corp
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Filing: 1966-05-10
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Granted: 1967-05-02
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Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Liska John
- 👤 Erland W Rudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:10
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/20; H03B5/24; H03B2200/00; H03B2200/006; H03B2200/0066
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN AN OSCILLATOR CIRCUIT COMPRISING A POWER SOURCE AND A FIRST AMPLIFYING DEVICE CONNECTED TO SAID POWER SOURCE; A SECOND AMPLIFYING DEVICE HAVING A FIRST ELECTRODE CONNECTED TO SAID POWER SOURCE, A SECOND ELECTRODE CONNECTED TO RECEIVE THE OUTPUT OF SAID FIRST AMPLIFYING DEVICE, AND A THIRD ELECTRODE; RESISTANCE MEANS CONNECTED BETWEEN SAID THIRD ELECTRODE AND A COMMON VOLTAGE REFERENCE POINT; A RESONANT CIRCUIT OF BRIDGE-T CONFIGURATION CONNECTED TO SAID RESISTANCE MEANS AND TO THE INPUT OF SAID FIRST AMPLIFYING DEVICE TO PROVIDE A NEGATIVE FEEDBACK LOOP FOR SAID OSCILLATOR; MEANS INCLUDING PARALLEL-CONNECTED CAPACITANCE AND RESISTANCE DEVICES CONNECTED TO SAID RESISTANCE MEANS AND TO SAID FIRST AMPLIFYING DEVICE TO PROVIDE A POSITIVE FEEDBACK SIGNAL TO SAID FIRST AMPLIFYING DEVICE; AND
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |