Patent US2667840A successfully refreshed from Google Patents.
US2667840A
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US
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Fuel injection apparatus and control mechanism therefor
Assignee: Individual
•
Filing: 1951-03-28
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Granted: 1954-02-02
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Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 Carl F High
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:42
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/08; F02M41/10; F02M41/12; F02D; F02D1/00; F02D1/02; F02D1/08; F02D1/12; F02D1/14; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2156933A
Cited
US2210067A
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US2361399A
Cited
US2413115A
Cited
US2448347A
Cited
US2405163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |