US2503881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and volume control valve for hot and cold water
Assignee: Individual
•
Filing: 1946-07-09
•
Granted: 1950-04-11
•
Expires: 1966-07-09
Abstract
No abstract record available.
Inventors
- 👤 George E Manis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/078; F16K11/0782; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86509; Y10T137/86517; Y10T137/86831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US894280A
Cited
US1478688A
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US1507973A
Cited
US1614437A
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US1790168A
Cited
US2020286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |