US3201733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core structures
Assignee: Westinghouse Electric Corp
•
Filing: 1960-11-14
•
Granted: 1965-08-17
•
Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Roy L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1546885A
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US2137433A
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US2554262A
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US2494180A
Cited
GB699549A
Cited
DE1005625B
Cited
US2922972A
Cited
US3064220A
Cited
US3077570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |