US2675017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knee actuated mixing valve
Assignee: Crane Co
•
Filing: 1950-08-14
•
Granted: 1954-04-13
•
Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 Edward A Fredrickson
- 👤 Carl R Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:12
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/62; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/7043; Y10T137/7062; Y10T137/8593; Y10T137/86928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US867580A
Cited
US853726A
Cited
US893770A
Cited
US1674365A
Cited
US2094288A
Cited
US2116806A
Cited
US2448231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |