2013297

Information

• Patent Grant
• 2013297

• References
• Source

• Patent Number

  2,013,297

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1935
  89 years ago

• CPC

  • H03G1/0011 - the device being at least one of the amplifying tubes of the amplifier

• US Classifications

  • 455 - Telecommunications
  • 313 - Electric lamp and discharge devices
  • 330 - Amplifiers