Patent US2648786A successfully refreshed from Google Patents.
US2648786A
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US
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Electric motor with encased rotor
Assignee: Individual
•
Filing: 1951-10-24
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Granted: 1953-08-11
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Expires: 1971-10-24
Abstract
No abstract record available.
Inventors
- 👤 Kritter Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US545591A
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US587769A
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US592244A
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US1722284A
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US2210412A
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US2279690A
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US2245577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |