2636944

Information

• Patent Grant
• 2636944

• References
• Source

• Patent Number

  2,636,944

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1953
  71 years ago

• CPC

  • H04M5/08 - using connecting means other than cords

• US Classifications

  • 379 - Telephonic communications