US2664672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulator with automatic means for shutting off the fluid
Assignee: Individual
•
Filing: 1950-10-20
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Granted: 1954-01-05
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Expires: 1970-10-20
Abstract
No abstract record available.
Inventors
- 👤 Ey Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:52
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; G05D16/0688; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1797; Y10T137/1804; Y10T137/1819; Y10T137/4456; Y10T137/4621; Y10T137/4643; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6181; Y10T137/7722; Y10T137/7723; Y10T137/7728; Y10T137/7781; Y10T137/7793; Y10T137/7794; Y10T137/7831; Y10T137/7832
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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |