US3586985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable duty cycle control generator
Assignee: Motors Liquidation Co
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Filing: 1969-12-17
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Granted: 1971-06-22
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Expires: 1989-12-17
Abstract
Abstract A VARIABLE DTY CYCLE CONTROL GENERATOR HAVING A PLURALITY OF TIME DELAY CIRCUITS, EACH HAVING A COMMON INPUT COMPRISED OF A SERIES OF EQUAL DURATION RECTANGULAR PULSES FOR GENERATING A PLURALITY OF PULSE WAVEFORMS, EACH HAVING A RESPECTIVE DUTY CYCLE. THE WAVEFORM HAVING THE DESIRED DUTY CYCLE IS SELECTED BY GATING THE WAVEFORM WITH A RESPECTIVE CONTROL TO SIGNAL WHICH ENABLES THEWAVEFORM TO BE UTILIZED. D R A W I N G
Inventors
- 👤 Arthur J Schoendorff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:46
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/08
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |