US2598528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection apparatus
Assignee: Individual
•
Filing: 1948-12-20
•
Granted: 1952-05-27
•
Expires: 1968-12-20
Abstract
No abstract record available.
Inventors
- 👤 Louis O French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:10
CPC Classifications
F; F02; F02M; F02M57/00; F02M57/02; F02M57/022; F02M57/025; F02M59/00; F02M59/02; F02M59/10; F02M59/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1443102A
Cited
US1084715A
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US1705665A
Cited
US1816157A
Cited
US1976040A
Cited
US2276358A
Cited
US2263086A
Cited
US2343962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |