US3149066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic separator
Assignee: Individual
•
Filing: 1961-02-21
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Granted: 1964-09-15
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Charles W Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:12
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A MAGNETIC SEPARATOR FOR USE IN A MATERIAL TRANSFERRING STRUCTURE INCLUDING A HOUSING EXTENDING FROM AN UPSTREAM END TO A DOWNSTREAM END, COMPRISING A SEPARATOR SUPPORT ADOPTED FOR MOUNTING IN THE HOUSING; A SERIES OF PARALLEL SPACED APART POLE PLATE STRUCTURES CARRIED ON THE SUPPORT, EACH OF THE PLATE STRUCTURES BEING COMPOSED OF A PAIR OF PLATES HAVING MAIN PORTIONS THEREOF DISPOSED IN BACK-TO-BACK RELATION AND EXTENDING FROM AN UPSTREAM EDGE IN OPPOSED RELATION TO THE NORMAL FLOW OF MATERIAL TO DOWNSTREAM FLANGED EDGE PORTIONS WITH EACH OF THE LATER PORTIONS EXTENDING OUTWARDLY FROM ITS RESPECTIVE MAIN PORTION IN DIVERGING RELATION TO THE OTHER FLANGE PORTION TO DEFINE A POCKET THEREBETWEEN IN WHICH MAGNETICALLY ATTACHED PARTICLES MAY GATHER; AND PERMANENT MAGNET MEANS EXTENDING BETWEEN THE MAIN PORTIONS OF ADJACENT PLATE STRUCTURES INDUCING A MAGNETIC FIELD THEREBETWEEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |