US2411930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relief valve
Assignee: Ex-Cell-O Corp
•
Filing: 1943-07-14
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Granted: 1946-12-03
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Expires: 1963-07-14
Abstract
No abstract record available.
Inventors
- 👤 Max A Mathys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:49
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/103; F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; G05D16/024; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7738; Y10T137/7739; Y10T137/7781; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7904; Y10T137/7922; Y10T137/7925
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) | 1949-12-02 | 1950-06-03 | 1950-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-02 | 1954-06-03 | 1954-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-02 | 1958-06-03 | 1958-12-03 | $7700.00 | Window Closed / Lapsed |