Patent US2711828A successfully refreshed from Google Patents.
US2642260A
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Flow control valve
Assignee: ITT Bell and Gossett Inc
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Filing: 1951-04-13
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Granted: 1953-06-16
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Expires: 1971-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:10
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K1/00; F16K1/32; F16K1/34; F16K1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345197A
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US913491A
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US963836A
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US993742A
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US1001111A
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US1972744A
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US2115247A
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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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |