3740540

Information

• Patent Grant
• 3740540

• References
• Source

• Patent Number

  3,740,540

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • H03J1/044 - Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination

• US Classifications

  • 362 - Illumination
  • 116 - Signals and indicators