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Patent US3538601A successfully refreshed from Google Patents.
US3538601A
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Method for the manufacture of laminated electromagnetic cores
Assignee: Telemecanique SA
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Filing: 1968-05-20
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Granted: 1970-11-10
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Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Patrick J M Nerot
- 👤 Claude P Vinot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:49
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/081; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |