US2332007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sump selector valve for fuel tanks
Assignee: Individual
•
Filing: 1941-03-14
•
Granted: 1943-10-19
•
Expires: 1961-03-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/22; F; F16; F16K; F16K11/00; F16K11/10; F16K11/105; F16K15/00; F16K15/02; F16K15/04; F16K15/042; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0898; Y10T137/8593; Y10T137/86276
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |