Patent UST939015I4 successfully refreshed from Google Patents.
UST939015I4
Expired / Lapsed
US
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Voltage regulating system
Assignee: —
•
Filing: 1974-07-26
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Granted: 1975-10-07
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Expires: 1994-07-26
Abstract
Abstract IN A VOLTAGE REGULATING SYSTEM, A PLURALITY OF VOLTAGE SENSING CIRCUITS ARE PROVIDED TO CONTROL A VOLTAGE GENERATED BY AN ALTERNATOR AT A PREDETERMINED VALUE EVEN WHEN ONE OF THE SENSING CIRCUITS IS DISCONNECTED OR DIS- ORDERED, THUS PREVENTING A BATTERY FROMBEING OVER CHANGED PERFECTLY.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:33
CPC Classifications
G; G05; G05B; G05B9/00; G05B9/02; H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/60; H02J7/64; H02J7/80; H02J7/82
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) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |