Automatic cut-out
United States Patent 1492967
Inventors:
Potter, Donle Harold
Publication Date:
05/06/1924
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Assignee:
CONNECTICUT TELEPHONE & ELECTR
Primary Class:
Other Classes:
256/10, 337/72
International Classes:
A22C17/16; H01H73/30; A22C17/00; H01H73/00