3909670

Information

• Patent Grant
• 3909670

• References
• Source

• Patent Number

  3,909,670

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • G01R1/08 - Pointers Scales Scale illumination
  • G01D13/22 - Pointers
  • G01P1/08 - Arrangements of scales, pointers, lamps or acoustic indicators
  • G01R1/20 - Modifications of basic electric elements for use in electric measuring instruments Structural combinations of such elements with such instruments
  • H01F38/18 - Rotary transformers
  • B60K2350/408 - Pointers of combined instruments

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 331 - Oscillators
  • 340 - Communications: electrical
  • 362 - Illumination