US3431938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface mount mixing valve
Assignee: Danfoss AS
•
Filing: 1966-05-27
•
Granted: 1969-03-11
•
Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Carl Sorensen
- 👤 Age Molgard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:49
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/042; F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/1313; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6977
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578934A
Cited
US1946207A
Cited
US2847681A
Cited
US3011520A
Cited
US2878489A
Cited
US2977988A
Cited
US3034138A
Cited
US3172426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |