US3533861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving the magnetostriction and core loss of cube-on-face oriented magnetic steels
Assignee: Westinghouse Electric Corp
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Filing: 1968-04-10
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Granted: 1970-10-13
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Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Karl Foster
- 👤 Joseph Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:34
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/02; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |