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US2473302A
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US
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Dynamoelectric machine having laminated armature with teeth slotted to reduce eddy currents
Assignee: Allis Chalmers Corp
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Filing: 1946-06-07
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Granted: 1949-06-14
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Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 William L Ringland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:02
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |