US2949130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing valve
Assignee: BELL BROTHERS (DOMESTIC) Ltd
•
Filing: 1956-06-21
•
Granted: 1960-08-16
•
Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Knight Philip Henry
- 👤 O'donovan Roland John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:25
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/008; F; F16; F16K; F16K27/00; F16K27/02; F16K27/0263; G; G01; G01N; G01N9/00; G01N9/10; G01N9/12; G01N9/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8175; Y10T137/8359
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190725761A
Cited
US1606921A
Cited
US2137755A
Cited
US2226954A
Cited
US2258023A
Cited
US2311181A
Cited
US2472090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |