Patent US2670033A successfully refreshed from Google Patents.
US2670033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feeding system
Assignee: Allis Chalmers Corp
•
Filing: 1946-07-13
•
Granted: 1954-02-23
•
Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 James L Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:45
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02C; F02C7/00; F02C7/22; F23; F23N; F23N1/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1657807A
Cited
US1791012A
Cited
US1213693A
Cited
US1934878A
Cited
US2148265A
Cited
US1991807A
Cited
US2263833A
Cited
US2319711A
Cited
US2333602A
Cited
US2364489A
Cited
US2385513A
Cited
US2626655A
Cited
US2450175A
Cited
US2461991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |