Patent US2939251A successfully refreshed from Google Patents.
US2988077A
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US
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Modulus metered fuel injection system
Assignee: Individual
•
Filing: 1958-02-24
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Granted: 1961-06-13
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Hottenroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:11
CPC Classifications
F; F02; F02M; F02M69/00; F02D; F02D1/00; F02D1/02; F02M69/46; F02M69/50; F02M2700/00; F02M2700/05; F02M2700/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1919601A
Cited
US2420550A
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US2592132A
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US2453196A
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US2576451A
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US2747555A
Cited
US2825396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |