Patent US3386423A successfully refreshed from Google Patents.
US3386423A
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US
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Fuel injection systems of the accumulation type for free piston autogenerators
Assignee: D'ETUDES ET DE PARTICIPATIONS Ste
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Filing: 1966-12-12
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Granted: 1968-06-04
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Vallin Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:11
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/06; F02M; F02M59/00; F02M59/02; F02M59/022; F02M61/00; F02M61/16; F02M61/20; F02M61/205
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |