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US3157939A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of insulating and retaining conductors in slots

Assignee: General Electric Co
•
Filing: 1961-04-06
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Granted: 1964-11-24
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Expires: 1981-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Roy L Balke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:55
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/48; H02K3/487; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 162 words
THE METHOD OF INSULATING AND RETAINING CONDUCTORS IN OPEN TOP CONDUCTOR-RECEIVING SLOTS OF ELECTRICAL MEMBERS WHICH COMPRISES: INSERTING ELECTRICAL INSULATING MATERIAL INTO EACH OF SAID SLOTS TO PROVIDE A SLOT-LINER THEREFOR WHOSE EDGES EXTEND TO AT LEAST THE OPEN TOP OF THE SLOT; INSERTING ELECTRICAL CONDUCTORS INTO EACH OF THE SLOTS SO LINED; PROVIDING AN ELECRICALLY INSULATING TOP STICK DIMENSIONED FOR LOOSE INSERTION ON TOP OF THE CONDUCTORS IN EACH OF SAID SLOTS; APPLYING AN ELECTRICALLY INSULATING BONDING MATERIAL BETWEEN THE TOP OF SAOD ELECTRICAL CONDUCTORS AND THE SURFACE OF SAID TOP STICK ADJACENT THERETO; TEMPORARILY RETAINING INSERTED TOP STICKS AS SUCCESSIVE TOP STICKS ARE BEING INSERTED INTO THE REMAINING SLOTS; APPLYING A COMPRESSIVE FORCE TO THE TOP THE REMAINING SLOTS; AT LEAST STICKS SIMULTANEOUSLY TO SEAT SAID TOP STICKS AND SAID CONDUCTORS IN EACH SLOT TOGETHER; AND MAINTAINING SAID COMPRESSIVE FORCE ON THE TOP SURFACES OF SAID TOP STICKS WHILE SUBJECTING SAID ELECTRICAL MEMBER TO A RESIN IMPREGNATION AND CURING TREATMENT.

References Cited (Backward Citations)

US1538187A Cited
US2354551A Cited
US2573126A Cited
US2648018A Cited
US2701316A Cited
US2858462A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-24 1968-05-25 1968-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-24 1972-05-25 1972-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-24 1976-05-25 1976-11-24 $7700.00 Window Closed / Lapsed

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