2820431

Information

• Patent Grant
• 2820431

• References
• Source

• Patent Number

  2,820,431

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • G10K1/066 - the sounding member being a tube, plate or rod
  • Y10S116/30 - Remote TV tuner

• US Classifications

  • 116 - Signals and indicators
  • 084 - Music