US3034004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-duty insulation in sealed electric motors subjected to refrigerants, oils or the like
Assignee: BBC BROWN BOVERI and CIE
•
Filing: 1958-04-24
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Granted: 1962-05-08
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Expires: 1978-04-24
Abstract
No abstract record available.
Inventors
- 👤 Cube Hans-Ludwig Von
- 👤 Sauerbrunn Irmhild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |