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US2901713A
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High current transformer
Assignee: BBC Brown Boveri AG Germany
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Filing: 1953-05-06
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Granted: 1959-08-25
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Expires: 1973-05-06
Abstract
No abstract record available.
Inventors
- 👤 Hartmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:40
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB229881A
Cited
US1728003A
Cited
US1875590A
Cited
US2599086A
Cited
US2655623A
Cited
US2709791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |