US2642315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection apparatus
Assignee: Individual
•
Filing: 1951-11-21
•
Granted: 1953-06-16
•
Expires: 1971-11-21
Abstract
No abstract record available.
Inventors
- 👤 Louis O French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
F; F02; F02M; F02M49/00; F02M49/02; F02M59/00; F02M59/02; F02M59/10; F02M59/107; F02M2700/00; F02M2700/07; F02M2700/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB298399A
Cited
US1990714A
Cited
US2142973A
Cited
US2516690A
Cited
US2516692A
Cited
US2516691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |