3065458

Information

• Patent Grant
• 3065458

• References
• Source

• Patent Number

  3,065,458

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1962
  62 years ago

• CPC

  • H04Q3/525 - using tubes in the switching stages

• US Classifications

  • 340 - Communications: electrical
  • 326 - Electronic digital logic circuitry