US3134570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm valve
Assignee: Crane Process Flow Technologies Ltd
•
Filing: 1960-05-16
•
Granted: 1964-05-26
•
Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jarrett Charles Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:21
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA528540A
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US393536A
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US1647823A
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US1806305A
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US2216292A
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GB655576A
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US2605991A
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US2840339A
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DE1014806B
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FR1207719A
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FR1211043A
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FR1211752A
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |