Patent US1498539A successfully refreshed from Google Patents.
Patent US3135939A successfully refreshed from Google Patents.
US3135939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stationary induction apparatus
Assignee: General Electric Co
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Filing: 1961-05-08
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Granted: 1964-06-02
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Fortier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:02
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/30; H01F27/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A STATIONARY INDUCTION APPARATUS, A LAMINATED MAGNETIC CORE INCLUDING A PLURALITY OF VERTICALLY EXTENDING LEGS, A TOP YOKE AND BOTTOM YOKE CONNECTING SAID LEGS, AT LEAST ONE ELECTRICAL COIL DISPOSED ON ONE OF SAID LEGS, A MAIN FRAME INCLUDING A BASE FRAME MEMBER, AN UPPER FRAME MEMBER AND A PAIR OF VERTICAL STRAPS CONNECTING SAID BASE FRAME MEMBER AND UPPER FRAME MEMBER TO PROVIDE SUPPORT FOR SAID MAGNETIC CORE, AT LEAST ONE VERTICALLY EXTENDING COIL FRAME MEMBER DISPOSED AT THE SIDE OF SAID COIL AND CONNECTED WITH SAID UPPER MAIN FRAME MEMBER AND SAID BASE FRAME MEMBER, AT LEAST ONE COIL FRAME MEMBER DISPOSED AT THE FRONT OF THE COIL, SAID ELECTRICAL
Claim 2
Dependent Claim
113 words
IN A STATIONARY INDUCTION APPARATUS, A LAMINATED MAGNETIC CORE INCLUDING A PLURALITY OF VERTICALLY EXTENDING LEGS, A TOP YOKE AND BOTTOM YOKE CONNECTING SAID LEGS, AT LEAST ONE ELECTRICAL COIL DISPOSED ON ONE OF SAID LEGS, A MAIN FRAME INCLUDING A BASE FRAME MEMBER, AN UPPER FRAME MEMBER AND A PAIR OF VERTICAL STRAPS CONNECTING SAID BASE FRAME MEMBER AND UPPER FRAME MEMBER TO PROVIDE SUPPORT FOR SAID MAGNETIC CORE, AT LEAST ONE VERTICALLY EXTENDING COIL FRAME MEMBER DISPOSED AT THE SIDE OF SAID COIL AND CONNECTED WITH SAID UPPER MAIN FRAME MEMBER AND SAID BASE FRAME MEMBER, AT LEAST ONE COIL FRAME MEMBER DISPOSED AT THE FRONT OF THE COIL, SAID ELECTRICAL
References Cited (Backward Citations)
US1539878A
Cited
US3037177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |