US3482157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demodulator for controlling motor torque angle to stabilize a synchronous motor energized from an inverter
Assignee: Borg Warner Corp
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Filing: 1967-11-06
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Granted: 1969-12-02
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Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jay R Borden
- 👤 Everett R Geis
- 👤 Donald M Lamaster
- 👤 Stanley Krauthamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:31
CPC Classifications
H; H02; H02P; H02P27/00; H02P27/04; H02P27/06; H02P25/00; H02P25/02; H02P25/022; H02P25/024; H02P25/08; H02P25/092; H02P27/047
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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |