1976909

Information

• Patent Grant
• 1976909

• References
• Source

• Patent Number

  1,976,909

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • H03H11/362 - particularly adapted for use in common antenna systems
  • H03H7/482 - particularly adapted for use in common antenna systems

• US Classifications

  • 343 - Communications: radio wave antennas
  • 178 - Telegraphy
  • 455 - Telecommunications