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US2774432A
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Valve device for fire extinguishers and the like
Assignee: Scovill Inc
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Filing: 1954-09-08
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Granted: 1956-12-18
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Expires: 1974-09-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Danziger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:32
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; A; A62; A62C; A62C13/00; A62C13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US640207A
Cited
US1773401A
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US2028175A
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US2198564A
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US2515068A
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US2569975A
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US2613849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |