Patent US4979779A successfully refreshed from Google Patents.
Patent US2639729A successfully refreshed from Google Patents.
US2639729A
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Valve selector and actuator for fluid flow manifolds
Assignee: Individual
•
Filing: 1946-04-29
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Granted: 1953-05-26
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Expires: 1966-04-29
Abstract
No abstract record available.
Inventors
- 👤 Pasqual C Tulumello
- 👤 Franceschi Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:21
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/20; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/7976; Y10T137/8158; Y10T137/8175; Y10T137/8225; Y10T137/8259; Y10T137/8593; Y10T137/87048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US623909A
Cited
US848487A
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US1652845A
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US1822346A
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US2222704A
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GB511666A
Cited
US2257004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |