2262947

Information

• Patent Grant
• 2262947

• References
• Source

• Patent Number

  2,262,947

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1941
  83 years ago

• CPC

  • H04M5/08 - using connecting means other than cords

• US Classifications

  • 379 - Telephonic communications