Patent US2900611A successfully refreshed from Google Patents.
US2900611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A method of restraining forces of noncircular cylindrical coils
Assignee: Westinghouse Electric Corp
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Filing: 1957-01-10
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Granted: 1959-08-18
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Expires: 1977-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frank W Benke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:38
CPC Classifications
H; H01; H01F; H01F30/00; H01F30/06; H01F30/10; H01F30/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
IN AN INDUCTIVE DEVICE, A NON-CIRCULAR ELETRICAL COIL SAID ELECTRICAL COIL BEING ADAPTED TO BE ENERGIZED FROM A SOURCE OF ELECTRICAL ENERGY, A MAGNETIC CORE DISPOSED IN SAID COIL, AND A BAND OF GLASS FIBERS IMPREGNATED WITH A POLYESTER RESIN AND COMPRISING A PLURALITY OF LAYERS TIGHTLY SURROUNDING SAID COIL.
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) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |