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Patent US3456615A successfully refreshed from Google Patents.
US3456615A
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US
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Apparatus for impregnating of one- and multi-phase stator windings
Assignee: ELEKTROTECHNIK M B H GES
•
Filing: 1965-08-20
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Granted: 1969-07-22
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Heinz-Jurgen Zander
- 👤 Gerhard Stohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:21
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2784288A
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US3215818A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |