US2828727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection pump
Assignee: Ambac International Corp
•
Filing: 1953-03-05
•
Granted: 1958-04-01
•
Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Fischer Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:43
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2156933A
Cited
US2413115A
Cited
US2641238A
Cited
US2622577A
Cited
US2624327A
Cited
US2674236A
Cited
US2683445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |