Patent US2665105A successfully refreshed from Google Patents.
US2665105A
Expired / Lapsed
US
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Diaphragm sealed valve
Assignee: Crane Co
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Filing: 1946-09-07
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Granted: 1954-01-05
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Expires: 1966-09-07
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Svabek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:20
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K41/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583546A
Cited
US1182030A
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US1442278A
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US1996309A
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FR752652A
Cited
US1983106A
Cited
US1990635A
Cited
US2136940A
Cited
US2299079A
Cited
US2439052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |