1246126

Information

• Patent Grant
• 1246126

• References
• Source

• Patent Number

  1,246,126

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1917
  108 years ago

• CPC

  • H04M1/656 - for recording conversations
  • H04M5/18 - Arrangements for signalling the class or number of called or calling line from one exchange to another

• US Classifications

  • 379 - Telephonic communications