2538663

Information

• Patent Grant
• 2538663

• References
• Source

• Patent Number

  2,538,663

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1951
  74 years ago

• CPC

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

• US Classifications

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