US3007424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feeding method and apparatus
Assignee: Babcock and Wilcox Co
•
Filing: 1957-10-17
•
Granted: 1961-11-07
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr James B Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
F; F23; F23H; F23H11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US269640A
Cited
US2003985A
Cited
US1659564A
Cited
US1678863A
Cited
US2032412A
Cited
US2156878A
Cited
US2727733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |