US2283355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing valve and flow regulator
Assignee: Individual
•
Filing: 1938-11-30
•
Granted: 1942-05-19
•
Expires: 1958-11-30
Abstract
No abstract record available.
Inventors
- 👤 Clarence N Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:47
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D16/00; G05D16/04; G05D16/10; G05D16/107; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7795; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/7827; Y10T137/7828; Y10T137/7829
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) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |