US2479614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel draining apparatus
Assignee: RTX Corp
•
Filing: 1947-02-28
•
Granted: 1949-08-23
•
Expires: 1967-02-28
Abstract
No abstract record available.
Inventors
- 👤 Winfield D Gove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:09
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/24; F02; F02M; F02M33/00; F02M33/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US130490A
Cited
US1458481A
Cited
US1530157A
Cited
US1474605A
Cited
US1697795A
Cited
US1678045A
Cited
US1860373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |