Patent US2315487A successfully refreshed from Google Patents.
US3299385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interleaved windings for electrical inductive apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1964-03-13
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Granted: 1967-01-17
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Gerhard M Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:51
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/34; H01F27/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN INTERLEAVED WINDING FOR ELECTRICAL INDUCTIVE APPARATUS COMPRISING: A PLURALITY OF PANCAKE COILS, EACH OF SAID PANCAKE COILS INCLUDING AT LEAST ONE TURN GROUP, EACH OF SAID TURN GROUPS INCLUDING AT LEAST FIRST AND SECOND INSULATED ELECTRICALLY CONDUCTIVE STRANDS SPIRALLY WOUND TOGETHER TO PROVIDE A PLURALITY OF RADIALLY DISPOSED TURNS, MEANS CONNECTING THE FIRST CONDUCTIVE STRANDS OF EACH TURN GROUP IN SERIES CIRCUIT RELATION WITH ONE ANOTHER, TO PROVIDE A FIRST SERIES PATH THROUGH THE WINDING HAVING FIRST AND SECOND ENDS, THE SECOND CONDUCTIVE STRAND OF EACH OF SAID TURN GROUPS BEING SEVERED AT SUBSTANTIALLY ITS MIDPOINT TO PROVIDE FIRST AND SECOND RADIAL SECTIONS IN EACH TURN GROUP WHICH HAVE ADJACENT ENDS AND OPPOSITE ENDS, MEANS CONNECTING THE OPPOSITE ENDS OF THE FIRST AND SECOND RADIAL SECTIONS TOGETHER IN EACH OF SAID TURN GROUPS,
Claim 2
Dependent Claim
134 words
AN INTERLEAVED WINDING FOR ELECTRICAL INDUCTIVE APPARATUS COMPRISING: A PLURALITY OF PANCAKE COILS, EACH OF SAID PANCAKE COILS INCLUDING AT LEAST ONE TURN GROUP, EACH OF SAID TURN GROUPS INCLUDING AT LEAST FIRST AND SECOND INSULATED ELECTRICALLY CONDUCTIVE STRANDS SPIRALLY WOUND TOGETHER TO PROVIDE A PLURALITY OF RADIALLY DISPOSED TURNS, MEANS CONNECTING THE FIRST CONDUCTIVE STRANDS OF EACH TURN GROUP IN SERIES CIRCUIT RELATION WITH ONE ANOTHER, TO PROVIDE A FIRST SERIES PATH THROUGH THE WINDING HAVING FIRST AND SECOND ENDS, THE SECOND CONDUCTIVE STRAND OF EACH OF SAID TURN GROUPS BEING SEVERED AT SUBSTANTIALLY ITS MIDPOINT TO PROVIDE FIRST AND SECOND RADIAL SECTIONS IN EACH TURN GROUP WHICH HAVE ADJACENT ENDS AND OPPOSITE ENDS, MEANS CONNECTING THE OPPOSITE ENDS OF THE FIRST AND SECOND RADIAL SECTIONS TOGETHER IN EACH OF SAID TURN GROUPS,
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |