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Patent US2541282A successfully refreshed from Google Patents.
US2541282A
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Separator valve
Assignee: Leavitt Machine Co
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Filing: 1946-04-26
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Granted: 1951-02-13
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Expires: 1966-04-26
Abstract
No abstract record available.
Inventors
- 👤 Ray D Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:37
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102; Y10T137/3105; Y10T137/7722; Y10T137/7837; Y10T137/7869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1937855A
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US701754A
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US842049A
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US961590A
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US1182089A
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US1450561A
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US1766666A
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US1784664A
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US1871546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |