US1586226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic valve with flexible blades for high-speed pumps
Assignee: Individual
•
Filing: 1924-08-30
•
Granted: 1926-05-25
•
Expires: 1944-08-30
Abstract
No abstract record available.
Inventors
- 👤 Tartrais Eugene Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:31
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7559
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) | 1929-05-24 | 1929-11-23 | 1930-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-24 | 1933-11-23 | 1934-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-24 | 1937-11-23 | 1938-05-25 | $7700.00 | Window Closed / Lapsed |