Patent US2664512A successfully refreshed from Google Patents.
US2664512A
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Dynamoelectric machine core and winding ventilation arrangement
Assignee: General Electric Co
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Filing: 1952-08-30
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Granted: 1953-12-29
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Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 Edson D Huntley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:57
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191221822A
Cited
CH96244A
Cited
FR666851A
Cited
US1884573A
Cited
DE654087C
Cited
US2221567A
Cited
GB534252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |