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US3007488A
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Check valve
Assignee: MISSION VALVE AND PUMP CO
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Filing: 1959-07-02
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Granted: 1961-11-07
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph S Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:49
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/035; F16K15/036; F16K15/038; F16K15/033; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/7854; Y10T137/7857; Y10T137/7898; Y10T137/7901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US486600A
Cited
US1238878A
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US1603123A
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CH295710A
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US2358101A
Cited
US2510417A
Cited
US2831499A
Cited
US2886062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |