1506760

Information

• Patent Grant
• 1506760

• References
• Source

• Patent Number

  1,506,760

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1924
  100 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