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Title:
Vacuum switch
United States Patent 2966569
Inventors:
Emmett, Jennings JO.
Publication Date:
12/27/1960
Export Citation:
Click for automatic bibliography generation
Assignee:
JENNINGS RADIO MFG CORP
Primary Class:
218/135
Other Classes:
313/146, 361/2
International Classes:
H01H33/66
;
H01H33/66
View Patent Images:
Download PDF 2966569
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US Patent References:
2773154
Electric switch
2740915
Adjustable spark gap
2740869
Vacuum switch
2740867
Vacuum switch
2261020
Circuit interrupting device
1892538
Vacuum switch
Foreign References:
GB314352A
DE407725C
DE563140C
DE615965C
DE636086C
GB787846A