2159546

Information

• Patent Grant
• 2159546

• References
• Source

• Patent Number

  2,159,546

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1939
  85 years ago

• CPC

  • H03H7/466 - particularly adapted as input circuit for receivers

• US Classifications

  • 455 - Telecommunications
  • 333 - Wave transmission lines and networks
  • 343 - Communications: radio wave antennas