US2628570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection device
Assignee: Ambac International Corp
•
Filing: 1946-04-26
•
Granted: 1953-02-17
•
Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Luca Frank De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:54
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/44; F02M59/46; F02M59/462; Y; Y10; Y10T; Y10T137/00; Y10T137/5762; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446659A
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US1883980A
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US1949150A
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US2131779A
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US2118578A
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US2173813A
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US2234932A
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US2364812A
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US2382000A
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US2318449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |