3873916

Information

• Patent Grant
• 3873916

• References
• Source

• Patent Number

  3,873,916

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • G01R1/08 - Pointers Scales Scale illumination
  • G01D5/20 - by varying inductance
  • G05D3/14 - using an analogue comparing device

• US Classifications

  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical