US3447002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating electrical machine with liquid-cooled laminated stator core
Assignee: ABB Norden Holding AB
•
Filing: 1966-02-28
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Granted: 1969-05-27
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Carl Ronnevig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/20; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/14; Y10S174/19; Y10S174/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB883827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |