Patent US2629399A successfully refreshed from Google Patents.
US2629399A
Expired / Lapsed
US
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Safety valve for regulating and testing light pressures
Assignee: Individual
•
Filing: 1946-10-16
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Granted: 1953-02-24
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Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 Kulick George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/22; A61B; A61B5/00; A61B5/20; A61B5/202; A61B5/205; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US102464A
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US1258426A
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US1744087A
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US1916635A
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US2089851A
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US2248363A
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US2277656A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |