US3434011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturating current transformer for static relays
Assignee: ABB Inc USA
•
Filing: 1966-08-25
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Granted: 1969-03-18
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Zocholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/42; H01F27/422; H01F27/425; H01F38/00; H01F38/20; H01F38/22; H01F38/24; H02; H02H; H02H3/00; H02H3/08; H02H3/093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3202876A
Cited
US3214641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |