Patent US2917643A successfully refreshed from Google Patents.
US2917643A
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Electrical machine element and method of making same
Assignee: Unisys Corp
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Filing: 1956-06-27
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Granted: 1959-12-15
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Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 Mihanowich Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:10
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T29/4998; Y10T29/49982; Y10T29/49984
Claims Analysis
Total Claims: 0
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US2483024A
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US2490021A
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US2548133A
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |