US2984230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: Individual
•
Filing: 1957-07-29
•
Granted: 1961-05-16
•
Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Clessie L Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:27
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252254A
Cited
GB279193A
Cited
US2084057A
Cited
US2372694A
Cited
US2674950A
Cited
US2670725A
Cited
US2708919A
Cited
US2792259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |