3136964

Information

• Patent Grant
• 3136964

• References
• Source

• Patent Number

  3,136,964

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1964
  60 years ago

• CPC

  • H01J23/52 - the coupled helices being disposed coaxially around one another

• US Classifications

  • 333 - Wave transmission lines and networks
  • 315 - Electric lamp and discharge devices: systems