3015700

Information

• Patent Grant
• 3015700

• References
• Source

• Patent Number

  3,015,700

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1962
  63 years ago

• CPC

  • H04M9/00 - Interconnection arrangements not involving centralised switching
  • H04M5/02 - Constructional details

• US Classifications

  • 379 - Telephonic communications