1532677

Information

• Patent Grant
• 1532677

• References
• Source

• Patent Number

  1,532,677

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1925
  99 years ago

• CPC

  • H04M1/34 - Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

• US Classifications

  • 379 - Telephonic communications