1866669

Information

• Patent Grant
• 1866669

• References
• Source

• Patent Number

  1,866,669

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1932
  92 years ago

• CPC

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

• US Classifications

  • 341 - Coded data generation or conversion
  • 379 - Telephonic communications