US1878097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined mixing and diverting valve
Assignee: Individual
•
Filing: 1927-12-13
•
Granted: 1932-09-20
•
Expires: 1947-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Bletcher
- 👤 Ernest H Bucknell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:59
CPC Classifications
F; F16; F16K; F16K19/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/8593; Y10T137/87249; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
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) | 1935-09-20 | 1936-03-21 | 1936-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-20 | 1940-03-21 | 1940-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-20 | 1944-03-21 | 1944-09-20 | $7700.00 | Window Closed / Lapsed |