Patent US6311119B2 successfully refreshed from Google Patents.
US3564708A
Expired / Lapsed
US
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Method of making a plated core electrical component
Assignee: Pulse Electronics Corp
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Filing: 1968-04-15
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Granted: 1971-02-23
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Expires: 1988-04-15
Abstract
Abstract A METHOD OF MAKING AN ELECTRICAL COMPONENT INCLUDING PROVIDING A TOROUS WITH A RAISED PORTION INCLUDING A FIN WHICH WINDS ABOUT THE TOROUS TO FORM A HELIX. RAISED MEMBERS ARE PROVIDED BETWEEN AT LEAST ONE PAIR OF TURNS OF THE HELIX. THE TOROUS, FIN AND MEMBER ARE COATED WITH A CONDUCTOR. THE CONDUCTOR COATED FIN AND MEMBER ARE REMOVED SO THAT THE CONDUCTIVE COATING REMAINING ON THE TOROUS FORMS A WINDING ON THE TOROIDAL CORE. OTHER EMBODIMENTS ARE DISCLOSED WHICH INCLUDE METHODS FOR MAKING ELECTRICAL COMPONENTS HAVING MULTI-LAYERED WINDINGS AND ELECTRICAL COMPONENTS HAVING A PLURALITY OF WINDINGS IN WHICH ADJACENT TURNS ARE IN JUXTAPOSED RELATIONSHIP.
Inventors
- 👤 John C Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:17
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2804; H01F17/00; H01F17/0006; H01F17/0033; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073; Y10T29/49117; Y10T29/49169; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |