Patent US2570616A successfully refreshed from Google Patents.
US2570616A
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US
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Variable distribution of fuel spray for direct fuel injection internalcombustion engines
Assignee: English Electric Co Ltd
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Filing: 1947-10-14
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Granted: 1951-10-09
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Expires: 1967-10-14
Abstract
No abstract record available.
Inventors
- 👤 Welsh Robert James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:14
CPC Classifications
F; F02; F02B; F02B3/00; F02B2720/00; F02B2720/22; F02B2720/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1127772A
Cited
US1464268A
Cited
US2147935A
Cited
US2182063A
Cited
US2132083A
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US2200892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |