US3287619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet generator output control
Assignee: ELCI PRODUCTS CORP
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Filing: 1962-08-14
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Granted: 1966-11-22
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Bob O Burson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A PERMANENT MAGNET TYPE ALTERNATOR, RECTIFYING MEANS OPERATIVELY CONNECTED TO SAID ALTERNATOR, AND MEANS FOR SHORTING ONE-HALF OF SAID RECTIFYING MEANS SUCH AS TO REGULATE BY SHUNTING THE ALTERNATING CURRENT SIDE OF SAID RECTIFYING MEANS, SAID MEANS COMPRISING A ZENDER DIODE CONNECTED TO AN OUTPUT OF THE RECTIFYING MEANS, HIGH GAIN TRANSISTOR MEANS POSITIONED AFTER SAID ZENER DIODE, AND LOW GAIN HIGH POWER TRANSISTOR MEANS CONNECTED TO ONE OF THE OUTPUTS OF THE ALTERNATOR AND TO ONE OF THE OUTPUTS OF THE RECTIFYING MEANS, SAID HIGH GAIN TRANSISTOR AND SAID LOW GAIN HIGH POWER TRANSISTOR BEING OPERATIVELY CONNECTED TO EACH OTHER.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |