Title:
Contact spring
United States Patent 2587458
US Patent References:
/1037767.html
- - 1037767
Relay contact system
- - 2442500
Cross-rod switch for automatic telephone systems
- - 2517679
/1037767.html
- - 1037767
Relay contact system
- - 2442500
Cross-rod switch for automatic telephone systems
- - 2517679
Inventors:
Morris, Fritts
Publication Date:
02/26/1952
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Export Citation:
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
Other Classes:
200/283
International Classes:
H01H50/56; H01H1/24; H01H50/54; H01H1/12