US1856222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined flow control and check valve
Assignee: UNIVERSAL HYDRAULIC Corp
•
Filing: 1929-01-18
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Granted: 1932-05-03
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Expires: 1949-01-18
Abstract
No abstract record available.
Inventors
- 👤 Leslie N Mcclellan
- 👤 Phillip A Kinzie
- 👤 John L Savage
- 👤 Charles M Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:15
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; F16K1/126; Y; Y10; Y10T; Y10T137/00; Y10T137/3367; Y10T137/3421
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) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |