Patent US2890690A successfully refreshed from Google Patents.
US2890690A
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US
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Fuel injection system
Assignee: Motors Liquidation Co
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Filing: 1955-05-31
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Granted: 1959-06-16
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Dolza John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:42
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/20; F02M59/30; F02M39/00; F02M59/12; F02M59/14; F02M69/00; F02M69/02; F02B; F02B1/00; F02B1/02; F02B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1662040A
Cited
US2008143A
Cited
US2563939A
Cited
GB616721A
Cited
US2636439A
Cited
US2725861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |