Patent US2691509A successfully refreshed from Google Patents.
US2691509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for supplying fuel
Assignee: Individual
•
Filing: 1950-03-31
•
Granted: 1954-10-12
•
Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 Rivoche Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:17
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1359837A
Cited
US1360445A
Cited
US1897967A
Cited
US2008143A
Cited
US2136959A
Cited
US2134667A
Cited
US2214964A
Cited
GB500290A
Cited
US2414322A
Cited
US2361334A
Cited
US2349775A
Cited
US2422808A
Cited
US2464328A
Cited
US2445099A
Cited
US2529900A
Cited
US2472734A
Cited
US2502679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |