Patent US2601280A successfully refreshed from Google Patents.
US2601280A
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Control valve
Assignee: Individual
•
Filing: 1946-05-14
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Granted: 1952-06-24
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Expires: 1966-05-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Hays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:10
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/061; F16K31/0613; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0402; F15B13/044; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1281543A
Cited
US1820653A
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US1937077A
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US2078006A
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US2145977A
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US2289567A
Cited
US2238768A
Cited
US2374593A
Cited
US2515029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |