3174009

Information

• Patent Grant
• 3174009

• References
• Source

• Patent Number

  3,174,009

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1965
  60 years ago

• CPC

  • H01H51/281 - Mounting of the relay; Encapsulating; Details of connections
  • H01H67/24 - Co-ordinate-type relay switches having an individual electromagnet at each cross-point
  • H01H67/30 - Co-ordinate-type selector switches with field of co-ordinate coil acting directly upon magnetic leaf spring or reed-type contact member
  • H04M15/04 - Recording calls , or communications in printed, perforated or other permanent form

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets