3641819

Information

• Patent Grant
• 3641819

• References
• Source

• Patent Number

  3,641,819

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • G01P5/07 - with electrical coupling to the indicating device
  • G01F1/115 - with magnetic or electromagnetic coupling to the indicating device
  • G01P13/0046 - with electrical coupling to the indicating device

• US Classifications

  • 073 - Measuring and testing
  • 340 - Communications: electrical
  • 392 - Electric resistance heating devices