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Patent US2463936A successfully refreshed from Google Patents.
US2463936A
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Dynamoelectric machine
Assignee: Chance Brothers Ltd
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Filing: 1947-03-18
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Granted: 1949-03-08
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Expires: 1967-03-18
Abstract
No abstract record available.
Inventors
- 👤 Allison Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:37
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449371A
Cited
US1870236A
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US1908620A
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US1852805A
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US2057503A
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US2327113A
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US2310422A
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US2351329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |