3557326

Information

• Patent Grant
• 3557326

• References
• Source

• Patent Number

  3,557,326

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

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

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 379 - Telephonic communications