Mechanical interlock for three or more switches
United States Patent 3401364
US Patent References:
Interlocking relay
- - 2132528


Inventors:
Whiting, Harold E.
Publication Date:
09/10/1968
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Assignee:
SQUARE D CO
Primary Class:
335/160
Other Classes:
200/50.320
International Classes:
H01H50/32; H01H50/16




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