US3536198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for magnetic flocculation of agglomerates
Assignee: Eriez Manufacturing Co
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Filing: 1968-10-07
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Granted: 1970-10-27
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Expires: 1988-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jerzy A Bartnik
- 👤 Alfredo F San Miguel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/48; C02F1/488; B; B01; B01D; B01D21/00; B01D21/0009; B01D21/01; B01D21/02; B01D21/04; B01D21/06; B01D21/30; B01D21/34; B03; B03C; B03C1/00; B03C1/02; C02F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |