2732434

Information

• Patent Grant
• 2732434

• References
• Source

• Patent Number

  2,732,434

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1956
  69 years ago

• CPC

  • H04M3/42 - Systems providing special services or facilities to subscribers
  • H01H50/40 - Branched or multiple-limb main magnetic circuits
  • H04M3/64 - Arrangements for signalling the number or class of the calling line to the operator
  • H04M15/08 - Metering calls to called party
  • H04M15/10 - Metering calls from calling party

• US Classifications

  • 379 - Telephonic communications