US3153205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacity controlled start-stop oscillator
Assignee: Westinghouse Electric Corp
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Filing: 1960-11-14
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Granted: 1964-10-13
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Wesley N Jones
- 👤 Ernst R Pemsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/962; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1206; H03B5/1221; H03B5/1231; H03B2200/00; H03B2200/006; H03B2200/0094
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A START-STOP OSCILLATOR COMPRISING CIRCUIT MEANS INCLUDING A FIRST TRANSISTOR AND A SECOND TRANSISTOR, EACH OF SAID TRANSISTORS HAVING A BASE, A COLLECTOR AND AN EMITTER, BOTH OF THE COLLECTORS OF SAID TRANSISTORS BEING CONNECTED TOGETHER, THE EMITTER OF SAID FIRST TRANSISTOR BEING CONNECTED TO THE BASE OF THE SECOND TRANSISTOR, A SOURCE OF POTENTIAL CONNECTING SAID COLLECTORS TO A COMMON CIRCUIT POINT, AN ADDITIONAL SOURCE OF POTENTIAL AND A RESISTOR CONNECTING THE EMITTER OF SAID SECOND TRANSISTOR TO SAID COMMON CIRCUIT POINT, MEANS FOR CHANGING THE CAPACITANCE BETWEEN THE EMITTER OF SAID SECOND TRANSISTOR AND SAID COMMON CIRCUIT POINT MEANS FOR CHANGING THE CAPACITANCE BETWEEN THE BASE OF SAID FIRST TRANSISTOR AND SAID COMMON CIRCUIT POINT, INDUCTIVE REACTANCE MEANS CONNECTED BETWEEN SAID LAST-NAMED BASE AND SAID COMMON CIRCUIT POINT, SAID FIRST AND SECOND TRANSISTORS BEING CONNECTED AS EMITTER FOLLOWERS, SAID INDUCTIVE REACTANCE MEANS AND THE IN-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |