US2516690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fuel injector
Assignee: Individual
•
Filing: 1945-05-08
•
Granted: 1950-07-25
•
Expires: 1965-05-08
Abstract
No abstract record available.
Inventors
- 👤 Louis O French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:48
CPC Classifications
F; F02; F02M; F02M49/00; F02M49/02; F02M57/00; F02M57/02; F02M2700/00; F02M2700/07; F02M2700/078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1497258A
Cited
GB187950A
Cited
US1995459A
Cited
US1990714A
Cited
US2052459A
Cited
GB481181A
Cited
GB565429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |