US3077570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductive device
Assignee: General Electric Co
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Filing: 1959-01-28
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Granted: 1963-02-12
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Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Popa John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A MAGNETIC CORE FOR AN INDUCTIVE DEVICE COMPRISING A PLURALITY OF ADJACENT GROUPS OF LAYERS OF E AND I-SHAPED LAMINATIONS, EACH E-SHAPED LAMINATIONS HAVING A CENTER LEG, A WIDE OUTER LEG, AND A NARROW OUTER LEG, THE E-LAMINATIONS OF EACH GROUP HAVING THEIR NARROW AND WIDE OUTER LEGS RESPECTIVELY ALIGNED, AND COOLING FLUTES FORMED ON SAID CORE BY THE REVERSAL OF ADJACENT GROUPS OF LAMINATIONS WITH RESPECT TO THE WIDE AND NARROW OUTER LEGS OF
Claim 2
Dependent Claim
75 words
A MAGNETIC CORE FOR AN INDUCTIVE DEVICE COMPRISING A PLURALITY OF ADJACENT GROUPS OF LAYERS OF E AND I-SHAPED LAMINATIONS, EACH E-SHAPED LAMINATIONS HAVING A CENTER LEG, A WIDE OUTER LEG, AND A NARROW OUTER LEG, THE E-LAMINATIONS OF EACH GROUP HAVING THEIR NARROW AND WIDE OUTER LEGS RESPECTIVELY ALIGNED, AND COOLING FLUTES FORMED ON SAID CORE BY THE REVERSAL OF ADJACENT GROUPS OF LAMINATIONS WITH RESPECT TO THE WIDE AND NARROW OUTER LEGS OF
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |