US2844745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-cooled dynamoelectric machine
Assignee: General Electric Co
•
Filing: 1953-07-13
•
Granted: 1958-07-22
•
Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:00
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/19; H02K9/197
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE579316C
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US2113204A
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US1001643A
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US1453166A
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GB165383A
Cited
US1607288A
Cited
US1830457A
Cited
US1863360A
Cited
US1929905A
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US2447339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |