US2432436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet rotor
Assignee: Individual
•
Filing: 1943-09-16
•
Granted: 1947-12-09
•
Expires: 1963-09-16
Abstract
No abstract record available.
Inventors
- 👤 Wayne J Morrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:58
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2706; H02K1/272; H02K1/2726; H02K1/2733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US459923A
Cited
US876949A
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US1798571A
Cited
US2072894A
Cited
US2078805A
Cited
US2159768A
Cited
US2279402A
Cited
US2303893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |