Patent US2585667A successfully refreshed from Google Patents.
US2585667A
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Valve assembly
Assignee: SOUTH HOUSTON MACHINE Co
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Filing: 1946-11-29
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Granted: 1952-02-12
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Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Horace C Meador
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:24
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/243; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1185684A
Cited
US923413A
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FR411262A
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US1633061A
Cited
US1630133A
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US1859834A
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US2023560A
Cited
US2204856A
Cited
US2293270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |