Patent US2661729A successfully refreshed from Google Patents.
US2661729A
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Fuel feeding apparatus
Assignee: Cummins Inc
•
Filing: 1948-06-02
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Granted: 1953-12-08
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Expires: 1968-06-02
Abstract
No abstract record available.
Inventors
- 👤 Neville M Reiners
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:41
CPC Classifications
F; F02; F02D; F02D1/00; F02M; F02M69/00; F02M69/46; F02M69/50; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297; F02M2700/00; F02M2700/05; F02M2700/055; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/2051
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |