2905858

Information

• Patent Grant
• 2905858

• References
• Source

• Patent Number

  2,905,858

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1959
  65 years ago

• CPC

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

• US Classifications

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