US3368166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable frequency voltage-controlled oscillator with control circuit isolated from fixed potentials
Assignee: DYNATEL Ltd
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Filing: 1966-04-15
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Granted: 1968-02-06
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Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Fletcher Willie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:42
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1296; H03B5/1206; H03B5/1237; H03B5/124; H03B5/1243; H03B5/1262
Claims Analysis
Total Claims: 0
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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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |