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Patent US3436631A successfully refreshed from Google Patents.
US3436631A
Expired / Lapsed
US
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System for forming pilot voltages for controlling electronic commutation channels for induction motors
Assignee: GOLAY BUCHLE AND CIE SA
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Filing: 1966-01-03
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Granted: 1969-04-01
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert Favre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:47
CPC Classifications
H; H02; H02P; H02P27/00; H02P27/04; H02P27/06; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/483; H02M7/53; H02M7/537; H02P23/00; H02P23/28; H03; H03K; H03K23/00; H03K23/002; H03K23/40; H03K23/50; H03K23/54; H03K3/00; H03K3/02; H03K3/26
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |