US2815923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve with automatic rate-of-flow control
Assignee: General Electric Co
•
Filing: 1952-07-23
•
Granted: 1957-12-10
•
Expires: 1972-07-23
Abstract
No abstract record available.
Inventors
- 👤 Clark Kendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:19
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050430A
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CH266962A
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US2293957A
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US2327542A
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US2328805A
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US2500750A
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US2562315A
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US2506152A
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US2638927A
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US2619116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |