US2607558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic valve and post
Assignee: Galion Iron Works & Manufacturing Co
•
Filing: 1946-04-27
•
Granted: 1952-08-19
•
Expires: 1966-04-27
Abstract
No abstract record available.
Inventors
- 👤 Fred J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:49
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/10; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/6884; Y10T137/8593; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1491248A
Cited
US2042186A
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US1991227A
Cited
US2182459A
Cited
US2165096A
Cited
US2227814A
Cited
US2221492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |