Patent US3706052A successfully refreshed from Google Patents.
US3706052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturable core square wave oscillator with switching transient reducing means
Assignee: Texaco Inc
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Filing: 1971-03-01
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Granted: 1972-12-12
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Expires: 1991-03-01
Abstract
Abstract TRANSISTOR OSCILLATOR OF SATURABLE CORE SQUARE WAVE TYPE, IT EMPLOYS AN OUTPUT TRANSFORMER AND A SATURABLE CORE TRANSFORMER PLUS MAGNETIC FEEDBACK MEANS TO ABSORB LEAKAGE-INDUCTANCE EFFECTS.
Inventors
- 👤 Robert F Canup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:17
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835
Claims Analysis
Total Claims: 0
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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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |