US2690356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection apparatus
Assignee: American Locomotive Co
•
Filing: 1952-05-23
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Granted: 1954-09-28
•
Expires: 1972-05-23
Abstract
No abstract record available.
Inventors
- 👤 Martin J Berlyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:48
CPC Classifications
F; F02; F02M; F02M59/00; F02M43/00; F02M61/00; F02M2700/00; F02M2700/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586006A
Cited
US2552679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |