US3084299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric transformer
Assignee: General Electric Co
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Filing: 1958-05-01
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Granted: 1963-04-02
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Expires: 1978-05-01
Abstract
No abstract record available.
Inventors
- 👤 Harold W Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:12
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/323; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A COIL COMPRISING A MAGNETIC CORE, A PRIMARY WINDING LAYER ADAPTED TO HAVE A VOLTAGE APPLIED THEREACROSS AND SECONDARY WINDING LAYERS INDUCTIVELY RELATED TO SAID PRIMARY WINDING WOUND LONGITUDINALLY ABOUT SAID CORE, SAID SECONDARY WINDING LAYERS COMPRISING A PLURALITY OF SIMILAR ADJACENT CAPACITIVELY INTERRELATED WINDING LAYERS WOUND SUCH THAT THE HIGH VOLTAGE END OF EACH OF SAID ADJACENT WINDING LAYERS ARE ADJACENT, SAID LAYERS BEING POSITIONED SUCH THAT THE VOLTAGES AT SAID HIGH VOLTAGE ENDS PROGRESSIVELY INCREASE IN ONE DIRECTION ALONG SAID HIGH VOLTAGE ENDS, SAID SECONDARY WINDING LAYERS BEING JUXTAPOSED SO THERE IS A UNIFORM VOLTAGE GRADIENT BETWEEN CORRESPONDING PORTIONS OF ADJACENT LAYERS.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |