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Patent US2874000A successfully refreshed from Google Patents.
US2874000A
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Fuel injection nozzles
Assignee: Ambac International Corp
•
Filing: 1957-03-13
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Granted: 1959-02-17
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Expires: 1977-03-13
Abstract
No abstract record available.
Inventors
- 👤 Carl H Nystrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:06
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/08; Y; Y10; Y10S; Y10S261/00; Y10S261/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164411A
Cited
US2255119A
Cited
US2368887A
Cited
GB578932A
Cited
US2591407A
Cited
US2768860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |