Patent US2942511A successfully refreshed from Google Patents.
US2942511A
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Apparatus and method for making laminated ferromagnetic cores
Assignee: M & F Associates
•
Filing: 1953-08-04
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Granted: 1960-06-28
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Expires: 1973-08-04
Abstract
No abstract record available.
Inventors
- 👤 John J Moynihan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:44
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T83/00; Y10T83/04; Y10T83/0476; Y10T83/0524; Y10T83/0529; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2055; Y10T83/505; Y10T83/546; Y10T83/647; Y10T83/6476; Y10T83/6484; Y10T83/869; Y10T83/8742; Y10T83/8743
Claims Analysis
Total Claims: 0
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |