Patent US2951586A successfully refreshed from Google Patents.
US2951586A
Expired / Lapsed
US
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Means for removing para-magnetic particles from fluids
Assignee: Individual
•
Filing: 1957-07-01
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Granted: 1960-09-06
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Moriya Saburo Miyata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:55
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/025; B03C1/031; B03C1/033; B03C1/0332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1425366A
Cited
US1683780A
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US2149764A
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DE697826C
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US2508666A
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US2490635A
Cited
GB691388A
Cited
US2838179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |