US1385932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic valve
Assignee: —
•
Filing: —
•
Granted: 1921-07-26
•
Expires: 1938-07-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:14
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K47/00; F16K47/01; F16K47/011; F16K47/0111; Y; Y10; Y10S; Y10S251/00; Y10S251/902; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/785; Y10T137/7851; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7935
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) | 1924-07-25 | 1925-01-24 | 1925-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-25 | 1929-01-24 | 1929-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-25 | 1933-01-24 | 1933-07-26 | $7700.00 | Window Closed / Lapsed |