US1384414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed-water-regulator valve
Assignee: NORTHERN EQUIPMENT Co
•
Filing: 1918-12-09
•
Granted: 1921-07-12
•
Expires: 1938-12-09
Abstract
No abstract record available.
Inventors
- 👤 Vincent V Veenschoten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:22
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/022; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86767; Y10T137/86783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-07-11 | 1925-01-10 | 1925-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-11 | 1929-01-10 | 1929-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-11 | 1933-01-10 | 1933-07-12 | $7700.00 | Window Closed / Lapsed |