2023606

Information

• Patent Grant
• 2023606

• References
• Source

• Patent Number

  2,023,606

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1935
  89 years ago

• CPC

  • H04M5/08 - using connecting means other than cords

• US Classifications

  • 379 - Telephonic communications