2486100

Information

• Patent Grant
• 2486100

• References
• Source

• Patent Number

  2,486,100

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1949
  75 years ago

• CPC

  • H04Q1/4465 - the same frequency being used for all signalling information
  • A44B19/48 - Arranging interlocking members before securing

• US Classifications

  • 379 - Telephonic communications