US2387073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for electric motors
Assignee: IXYS Integrated Circuits Division Inc
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Filing: 1943-10-08
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Granted: 1945-10-16
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Expires: 1963-10-08
Abstract
No abstract record available.
Inventors
- 👤 Albert F Horlacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:17
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; H02K15/023; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-10-15 | 1949-04-16 | 1949-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-15 | 1953-04-16 | 1953-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-15 | 1957-04-16 | 1957-10-16 | $7700.00 | Window Closed / Lapsed |