US2459534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic separator for fluid systems
Assignee: J A ZURN Manufacturing Co
•
Filing: 1945-03-23
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Granted: 1949-01-18
•
Expires: 1965-03-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:09
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B01; B01D; B01D35/00; B01D35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US354853A
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US438579A
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US1683780A
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US1573739A
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US2157182A
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US2149764A
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US2329893A
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US2371511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |