US3266955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing silicon steel sheet having (100) plane in the rolling plane
Assignee: Yawata Iron and Steel Co Ltd
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Filing: 1963-12-23
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Granted: 1966-08-16
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Taguchi Satoru
- 👤 Sakakura Akira
- 👤 Takechi Hiroshi
- 👤 Takashima Hironori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/02; C21; C21D; C21D8/00; C21D8/12; C21D8/1216; C21D8/1222; C21D8/1227; C21D8/1244; C21D8/1272
Claims Analysis
Total Claims: 0
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |