Patent US3283281A successfully refreshed from Google Patents.
US3283281A
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US
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Electrical apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1965-05-10
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Granted: 1966-11-01
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Gerhard M Stein
- 👤 Gerald J Hattrup
- 👤 Charles E Burkhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A MAGNETIC CORE COMPRISING: A PLURALITY OF STACKED LAYERS OF LAMINATIONS FORMED FROM MAGNETIC STRIP MATERIAL HAVING AT LEAST ONE PREFERRED DIRECTION OF MAGNETIC ORIENTATION SUBSTANTIALLY PARALLEL WITH THE SIDES OF SAID TRIP MATERIAL; EACH OF SAID LAYERS INCLUDING FIRST AND SECOND OUTER LEG LAMINATIONS, AT LEAST ONE INNER LEG LAMINATION, AND YOKE LAMINATION CONNECTING THE ENDS OF SAID LEG LAMINATIONS TO FORM A SUBSTANTIALLY RECTANGULAR CORE HAVING AT LEAST TWO WINDOWS; THE JOINT BETWEEN THE ADJOINING EDGES OF THE FIRST AND SECOND LEG LAMINATIONS AND SAID YOKE LAMINATIONS IN EACH LAYER BEING DIAGONAL WITH RESPECT TO THE SIDES OF SAID LAMINATIONS; THE JOINTS BETWEEN SAID INNER LEG LAMINATION AND SAID YOKE LAMINATIONS IN EACH OF SAID LAYERS INCLUDING TWO JOINTS WHICH ARE SUBSTANTIALLY PERPENDICULAR WITH RESPECT TO THE SIDES OF CERTAIN OF SAID LAMINATIONS; ALL OF THE JOINTS BETWEEN THE RESPECTIVE LEG AND YOKE LAMINATIONS IN EACH OF SAID LAYERS BEING DISTRIBUTED WITH RESPECT TO THE JOINTS IN THE OTHER LAYERS, WITH AT LEAST TWO LAYERS OF LAMINATIONS SEPARATING REPEATING JOINTS IN THE SAME PLANE.
Claim 2
Dependent Claim
176 words
A MAGNETIC CORE COMPRISING: A PLURALITY OF STACKED LAYERS OF LAMINATIONS FORMED FROM MAGNETIC STRIP MATERIAL HAVING AT LEAST ONE PREFERRED DIRECTION OF MAGNETIC ORIENTATION SUBSTANTIALLY PARALLEL WITH THE SIDES OF SAID TRIP MATERIAL; EACH OF SAID LAYERS INCLUDING FIRST AND SECOND OUTER LEG LAMINATIONS, AT LEAST ONE INNER LEG LAMINATION, AND YOKE LAMINATION CONNECTING THE ENDS OF SAID LEG LAMINATIONS TO FORM A SUBSTANTIALLY RECTANGULAR CORE HAVING AT LEAST TWO WINDOWS; THE JOINT BETWEEN THE ADJOINING EDGES OF THE FIRST AND SECOND LEG LAMINATIONS AND SAID YOKE LAMINATIONS IN EACH LAYER BEING DIAGONAL WITH RESPECT TO THE SIDES OF SAID LAMINATIONS; THE JOINTS BETWEEN SAID INNER LEG LAMINATION AND SAID YOKE LAMINATIONS IN EACH OF SAID LAYERS INCLUDING TWO JOINTS WHICH ARE SUBSTANTIALLY PERPENDICULAR WITH RESPECT TO THE SIDES OF CERTAIN OF SAID LAMINATIONS; ALL OF THE JOINTS BETWEEN THE RESPECTIVE LEG AND YOKE LAMINATIONS IN EACH OF SAID LAYERS BEING DISTRIBUTED WITH RESPECT TO THE JOINTS IN THE OTHER LAYERS, WITH AT LEAST TWO LAYERS OF LAMINATIONS SEPARATING REPEATING JOINTS IN THE SAME PLANE.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |