3479621

Information

• Patent Grant
• 3479621

• References
• Source

• Patent Number

  3,479,621

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • H01P3/13 - specially adapted for transmission of the TE01 circular-electric mode
  • Y10T29/49016 - Antenna or wave energy "plumbing" making

• US Classifications

  • 333 - Wave transmission lines and networks
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 174 - Electricity: conductors and insulators