US3315178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor oscillator for extended frequency operation
Assignee: Doall Science Center Inc
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Filing: 1964-11-16
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Granted: 1967-04-18
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 George C Chernish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:55
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1231; H03B5/1237; H03B5/124; H03B5/1296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN OSCILLATOR FOR GENERATING A SIGNAL AT A FREQUENCY 2F, COMPRISING: (A) A FIRST TRANSFORMER HAVING A PRIMARY COIL AND A SECONDARY COIL, SAID PRIMARY COIL HAVING FIRST AND SECOND SECTIONS WOUND IN OPPOSING RELATION TO ONE ANOTHER, (A) A CAPACITOR CONNECTED ACROSS SAID SECONDARY COIL, (B) FIRST AND SECOND SWITCHING ELEMENTS EACH HAVING A CONTROL INPUT AND AN OUTPUT, (C) MEANS FOR CONNECTING THE OUTPUTS FROM SAID FIRST AND SECOND SWITCHING ELEMENTS TO SAID FIRST AND SECOND SECTIONS RESPECTIVELY, AND
Claim 2
Dependent Claim
81 words
AN OSCILLATOR FOR GENERATING A SIGNAL AT A FREQUENCY 2F, COMPRISING: (A) A FIRST TRANSFORMER HAVING A PRIMARY COIL AND A SECONDARY COIL, SAID PRIMARY COIL HAVING FIRST AND SECOND SECTIONS WOUND IN OPPOSING RELATION TO ONE ANOTHER, (A) A CAPACITOR CONNECTED ACROSS SAID SECONDARY COIL, (B) FIRST AND SECOND SWITCHING ELEMENTS EACH HAVING A CONTROL INPUT AND AN OUTPUT, (C) MEANS FOR CONNECTING THE OUTPUTS FROM SAID FIRST AND SECOND SWITCHING ELEMENTS TO SAID FIRST AND SECOND SECTIONS RESPECTIVELY, AND
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |