2389212

Information

• Patent Grant
• 2389212

• References
• Source

• Patent Number

  2,389,212

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1945
  79 years ago

• CPC

  • H03F1/54 - with tubes only
  • H03J5/22 - Settings determined by a number of separately actuated driving means which adjust the tuning element directly to desired settings

• US Classifications

  • 455 - Telecommunications
  • 192 - Clutches and power-stop control
  • 334 - Tuners