Patent US3449703A successfully refreshed from Google Patents.
US3449703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current transformer having an accuracy unimpaired by stray flux from adjacent conductors
Assignee: General Electric Co
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Filing: 1968-03-20
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Granted: 1969-06-10
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Expires: 1988-03-20
Abstract
No abstract record available.
Inventors
- 👤 Floyd L Steen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:45
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/20; H01F38/22; H01F38/28; H01F38/30; G; G01; G01R; G01R15/00; G01R15/14; G01R15/18; G01R15/181; H01F38/305
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |