US2594096A
Expired / Lapsed
US
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Process for treating windings with completely-reactive compositions
Assignee: Westinghouse Electric Corp
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Filing: 1949-01-21
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Granted: 1952-04-22
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Warren M Trigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
IN THE PROCESS OF APPLYING A PREDETERMINED AMOUNT OF AN INSULATING RESIN TO A WINDING COMPRISING A CONDUCTOR AND HAVING INTERSTICES, THE STEPS, COMPRISING IMMERSING THE WINDING IN A BODY OF A COMPLETELY-REACTIVE, FLUID RESINOUS COMPOSITION WHICH WILL POLYMERIZE TO A NON-FLOWABLE GEL WHEN HEATED ABOVE A PREDETERMINED TEMPERATURE, THE WINDING BEING BELOW THE SAID PREDETERMINED TEMPERATURE WHEN FIRST IMMERSED IN THE FLUID RESINOUS COMPOSITION SO THAT THE COMPOSITION WILL FREELY PENETRATE INTO THE INTERSTICES OF THE WINDING, THEREAFTER PROGRESSIVELY POLYMERIZING A PREDETERMINED AMOUNT OF THE FLUID RESINOUS COMPOSITION IN AND ADJACENT TO THE IMMERSED WINDING TO A NON-FLOWABLE GEL, SAID POLYMERIZATION, BEING EFFECTED BY PASSING AN ELECTRICAL CURRENT THROUGH THE CONDUCTOR TO HEAT THE WINDING TO A TEMPERATURE ABOVE THE PREDETERMINED TEMPERATURE FOR A PERIOD OF TIME WHEREBY A LIMITED AMOUNT OF THE COMPOSITION IN AND ADJACENT TO
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |