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3188423
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Information
Patent Grant
3188423
References
Source
Patent Number
3,188,423
Date Filed
Not available
Date Issued
Tuesday, June 8, 1965
58 years ago
CPC
H01H67/30 - Co-ordinate-type selector switches with field of co-ordinate coil acting directly upon magnetic leaf spring or reed-type contact member
H05K1/0289 - having a matrix lay-out
US Classifications
200 - Electricity: circuit makers and breakers
174 - Electricity: conductors and insulators
335 - Electricity: magnetically operated switches, magnets, and electromagnets
361 - Electricity: electrical systems and devices
379 - Telephonic communications
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