US2826367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fluid mixing valve
Assignee: Whirlpool Corp
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Filing: 1955-11-14
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Granted: 1958-03-11
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Clifton A Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:14
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/24; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4217; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |