US2887128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and control valve
Assignee: Individual
•
Filing: 1955-08-30
•
Granted: 1959-05-19
•
Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 David J Bloomberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/202; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823; Y10T137/87048; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87249; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |