Patent US3260976A successfully refreshed from Google Patents.
US3260976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current transformer
Assignee: General Electric Co
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Filing: 1964-06-30
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Granted: 1966-07-12
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Kurt W Eissmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:07
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/42; H01F27/422; H01F27/427; H01F38/00; H01F38/20; H01F38/22; H01F38/28; H01F38/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A CURRENT TRANSFORMER, A MAGNETIZABLE CORE HAVING A PLURALITY OF FLUX PATHS DISPOSED IN PARALLEL SPATIAL RELATION TO DEFINE A SINGLE CLOSED MAGNETIC CIRCUIT, SAID FLUX PATHS BEING DISCRETELY SPACED APART AT AT LEAST ONE FRACTIONAL PORTION OF SAID CORE, A TAPPED SECONDARY WINDING COMPRISING A PLURALITY OF FULL TURN SECTIONS EACH HAVING A PLURALITY OF TURNS SURROUNDING AND LINKING ALL SAID PARALLEL FLUX PATHS, A PLURALITY OF FRACTIONAL WINDING TURNS DISPOSED ON SAID CORE AT FRACTIONAL PORTIONS OF SAID CORE AND EACH SURROUNDING AND LINKING LESS THAN ALL SAID PARALLEL FLUX PATHS, MEANS CONNECTING SAID FULL TURN SECTIONS AND SAID FRACTIONAL WINDING TURNS IN SERIES CIRCUIT RELATION, TERMINAL LEADS CONNECTED TO INTERMEDIATE AND END
Claim 2
Dependent Claim
116 words
IN A CURRENT TRANSFORMER, A MAGNETIZABLE CORE HAVING A PLURALITY OF FLUX PATHS DISPOSED IN PARALLEL SPATIAL RELATION TO DEFINE A SINGLE CLOSED MAGNETIC CIRCUIT, SAID FLUX PATHS BEING DISCRETELY SPACED APART AT AT LEAST ONE FRACTIONAL PORTION OF SAID CORE, A TAPPED SECONDARY WINDING COMPRISING A PLURALITY OF FULL TURN SECTIONS EACH HAVING A PLURALITY OF TURNS SURROUNDING AND LINKING ALL SAID PARALLEL FLUX PATHS, A PLURALITY OF FRACTIONAL WINDING TURNS DISPOSED ON SAID CORE AT FRACTIONAL PORTIONS OF SAID CORE AND EACH SURROUNDING AND LINKING LESS THAN ALL SAID PARALLEL FLUX PATHS, MEANS CONNECTING SAID FULL TURN SECTIONS AND SAID FRACTIONAL WINDING TURNS IN SERIES CIRCUIT RELATION, TERMINAL LEADS CONNECTED TO INTERMEDIATE AND END
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |