US2917643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical machine element and method of making same
Assignee: Unisys Corp
•
Filing: 1956-06-27
•
Granted: 1959-12-15
•
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 13:36
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2734140A
Cited
US404465A
Cited
US1440952A
Cited
US1921112A
Cited
US2304607A
Cited
US2280981A
Cited
US2286008A
Cited
US2423869A
Cited
GB559526A
Cited
US2483024A
Cited
US2490021A
Cited
US2548133A
Cited
US2711492A
Cited
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 |