2648305

Information

• Patent Grant
• 2648305

• References
• Source

• Patent Number

  2,648,305

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1953
  71 years ago

• CPC

  • H01H9/182 - Illumination of the symbols or distinguishing marks
  • H03J1/044 - Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination
  • Y10S116/02 - Corrections by cursor lines

• US Classifications

  • 116 - Signals and indicators
  • 040 - Card, picture, or sign exhibiting
  • 200 - Electricity: circuit makers and breakers
  • 359 - Optical: systems and elements
  • 362 - Illumination