Patent US2807729A successfully refreshed from Google Patents.
US2807729A
Expired / Lapsed
US
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Control circuit for engine starting and ignition system
Assignee: Motors Liquidation Co
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Filing: 1954-11-17
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Granted: 1957-09-24
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Expires: 1974-11-17
Abstract
No abstract record available.
Inventors
- 👤 David C Redick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:19
CPC Classifications
F; F02; F02P; F02P15/00; F02P15/12
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |