US2406259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush valve
Assignee: Sloan Valve Co
•
Filing: 1943-05-10
•
Granted: 1946-08-20
•
Expires: 1963-05-10
Abstract
No abstract record available.
Inventors
- 👤 Irving H Russell
- 👤 Frederick C Binnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
E; E03; E03D; E03D3/00; E03D3/02; E03D3/04; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 0
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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) | 1949-08-19 | 1950-02-18 | 1950-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-19 | 1954-02-18 | 1954-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-19 | 1958-02-18 | 1958-08-20 | $7700.00 | Window Closed / Lapsed |