2165252

Information

• Patent Grant
• 2165252

• References
• Source

• Patent Number

  2,165,252

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • H03D3/12 - by means of discharge tubes having more than two electrodes

• US Classifications

  • 455 - Telecommunications
  • 329 - Demodulators