Patent US2650609A successfully refreshed from Google Patents.
US2650609A
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Hydraulic valve
Assignee: BOGUE ELECTRIC Manufacturing Co
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Filing: 1951-03-20
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Granted: 1953-09-01
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Expires: 1971-03-20
Abstract
No abstract record available.
Inventors
- 👤 John A Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:02
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; F15B13/0431; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550467A
Cited
GB515617A
Cited
US2215115A
Cited
US2214119A
Cited
US2218861A
Cited
US2477669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |