US2688339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing mixing valve
Assignee: Individual
•
Filing: 1950-05-11
•
Granted: 1954-09-07
•
Expires: 1970-05-11
Abstract
No abstract record available.
Inventors
- 👤 Fred H Dexter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:45
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0081; B67D1/0082; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/8593; Y10T137/87571; Y10T137/87652; Y10T137/8766; Y10T137/87668; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88005; Y10T137/88038
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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |