Patent US2745549A successfully refreshed from Google Patents.
US2745549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic separator
Assignee: Individual
•
Filing: 1954-08-23
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Granted: 1956-05-15
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Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Spodig Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:27
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/16; B03C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A MAGNETIC SEPARATOR, IN COMBINATION, A MAGNETIC STRUCTURE HAVING A SUPPORTING FACE; MAGNET MEANS HAVING A FIRST POLE AND AN OPPOSITE POLE ASSOCIATED WITH SAID MAGNETIC STRUCTURE FOR IMPARTING THE MAGNETIC POLARITY OF SAID OPPOSITE POLE TO SAID MAGNETIC STRUCTURE, SAID MAGNETIC MEANS BEING LOCATED SO THAT A SPACE IS FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS SO THAT LINES OF MAGNETIC FLUX CROSS THE SPACE BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS; AND MECHANICAL TRANSPORT MEANS FOR PASSING A SUBSTANCE CONTAINING MAGNETIC PARTICLES TO BE SEPARATED FROM THE SUBSTRATE THROUGH THE SPACE FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS SO THAT WHEN THE SUBSTANCE CONTAINING MAGNETIC PARTICLES IS PASSED THROUGH THE SPACE FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS, THE MAGNETIC PARTICLES WILL BE ATTRACTED BY SAID FIRST POLE OF SAID MAGNET MEANS AND BE SEPARATED FROM THE SUBSTANCE.
Claim 2
Dependent Claim
180 words
IN A MAGNETIC SEPARATOR, IN COMBINATION, A MAGNETIC STRUCTURE HAVING A SUPPORTING FACE; MAGNET MEANS HAVING A FIRST POLE AND AN OPPOSITE POLE ASSOCIATED WITH SAID MAGNETIC STRUCTURE FOR IMPARTING THE MAGNETIC POLARITY OF SAID OPPOSITE POLE TO SAID MAGNETIC STRUCTURE, SAID MAGNETIC MEANS BEING LOCATED SO THAT A SPACE IS FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS SO THAT LINES OF MAGNETIC FLUX CROSS THE SPACE BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS; AND MECHANICAL TRANSPORT MEANS FOR PASSING A SUBSTANCE CONTAINING MAGNETIC PARTICLES TO BE SEPARATED FROM THE SUBSTRATE THROUGH THE SPACE FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS SO THAT WHEN THE SUBSTANCE CONTAINING MAGNETIC PARTICLES IS PASSED THROUGH THE SPACE FORMED BETWEEN SAID SUPPORTING FACE OF SAID MAGNETIC STRUCTURE AND SAID FIRST POLE OF SAID MAGNET MEANS, THE MAGNETIC PARTICLES WILL BE ATTRACTED BY SAID FIRST POLE OF SAID MAGNET MEANS AND BE SEPARATED FROM THE SUBSTANCE.
References Cited (Backward Citations)
DE916881C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |