US2295667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic rotor operated butterfly valve
Assignee: UNIVERSAL HYDRAULIC Corp
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Filing: 1939-02-07
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Granted: 1942-09-15
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Expires: 1959-02-07
Abstract
No abstract record available.
Inventors
- 👤 Phillip A Kinzie
- 👤 John L Savage
- 👤 Merle E Nantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:36
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163; F16K31/1635; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/87265; Y10T137/87499; Y10T137/87523; Y10T137/87531
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |