US2813523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection pump
Assignee: Ambac International Corp
•
Filing: 1953-10-29
•
Granted: 1957-11-19
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Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Waldemar O Bischoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:13
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/10; F02M41/12; F02M41/123; F02M41/125; F02M41/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |