Patent US2622622A successfully refreshed from Google Patents.
US2622622A
Expired / Lapsed
US
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Fluid control valve
Assignee: General Controls Co
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Filing: 1947-10-10
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Granted: 1952-12-23
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Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:25
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2051938A
Cited
US2155358A
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US2245834A
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US2269016A
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US2442877A
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US2358999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |