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US2730862A
Expired / Lapsed
US
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Electric ignition control in starting devices for turbo-engines
Assignee: Societe du Carburateur Zenith SA
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Filing: 1951-10-03
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Granted: 1956-01-17
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Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Lamy Rene Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:20
CPC Classifications
F; F02; F02P; F02P15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535240A
Cited
US2390959A
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US2540991A
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US2424610A
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US2414828A
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GB591565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |