3144643

Information

• Patent Grant
• 3144643

• References
• Source

• Patent Number

  3,144,643

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1964
  60 years ago

• CPC

  • G02B6/0021 - for housing at least a part of the light source
  • G02B6/0095 - Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
  • H01H13/023 - Light-emitting indicators
  • H01H2219/06 - Reflector
  • H01H2219/062 - Light conductor
  • H01H2219/0622 - only an illuminated ring around keys
  • Y10S116/28 - Push button structure
  • Y10S200/47 - Light guides for switch indicators

• US Classifications

  • 340 - Communications: electrical
  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 200 - Electricity: circuit makers and breakers
  • 400 - Typewriting machines