Patent US2743705A successfully refreshed from Google Patents.
US2743705A
Expired / Lapsed
US
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Fluid regulator for a power-driven remotely-controlled valve
Assignee: Individual
•
Filing: 1952-10-10
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Granted: 1956-05-01
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Expires: 1972-10-10
Abstract
No abstract record available.
Inventors
- 👤 Sidney P Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:46
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/16; F16K31/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US917642A
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US1540870A
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US1886518A
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US2061716A
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US2064051A
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US2189823A
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US2164876A
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US2133580A
Cited
US2432088A
Cited
US2352140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |