3739512

Information

• Patent Grant
• 3739512

• References
• Source

• Patent Number

  3,739,512

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  52 years ago

• CPC

  • B60Q3/044 - lighting through the surface to be illuminated
  • G01P1/08 - Arrangements of scales, pointers, lamps or acoustic indicators
  • G09F9/30 - in which the desired character or characters are formed by combining individual elements
  • G09F9/307 - being incandescent filaments
  • Y10S200/47 - Light guides for switch indicators

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 200 - Electricity: circuit makers and breakers