Patent US3171999A successfully refreshed from Google Patents.
US3171999A
Expired / Lapsed
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Insulated magnetic core
Assignee: General Electric Canada Co
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Filing: 1959-12-15
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Granted: 1965-03-02
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Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 Grey C Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:27
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN ELECTRICAL DEVICE COMPRISING A MAGNETIC CORE INCLUDING A PLURALITY OF LAMINATIONS AND CURRENT CARRING CONDUCTORS THEREIN, MEANS ON EACH END OF THE CORE HOLDING SAID LAMINATIONS IN ALIGNMENT AND UNDER PRESSURE, INSULATION ON SAID MEANS FOR EXTENDING THE CURRENT CREEPAGE PATH BETWEEN SAID CONDUCTORS AND SAID MEANS WHICH EXIST AT DIFFERENT VOLTAGE POTENTOALS, AN INDENATION ON SAID MEANS FOR RECEIVING A PORTION OF SAID INSULATION, AND A DEVICE HOLDING SAID INSULATION IN THE INDEBTATION FOR PRE-
Claim 2
Dependent Claim
77 words
AN ELECTRICAL DEVICE COMPRISING A MAGNETIC CORE INCLUDING A PLURALITY OF LAMINATIONS AND CURRENT CARRING CONDUCTORS THEREIN, MEANS ON EACH END OF THE CORE HOLDING SAID LAMINATIONS IN ALIGNMENT AND UNDER PRESSURE, INSULATION ON SAID MEANS FOR EXTENDING THE CURRENT CREEPAGE PATH BETWEEN SAID CONDUCTORS AND SAID MEANS WHICH EXIST AT DIFFERENT VOLTAGE POTENTOALS, AN INDENATION ON SAID MEANS FOR RECEIVING A PORTION OF SAID INSULATION, AND A DEVICE HOLDING SAID INSULATION IN THE INDEBTATION FOR PRE-
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |