2871874

Information

• Patent Grant
• 2871874

• References
• Source

• Patent Number

  2,871,874

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  65 years ago

• CPC

  • G01F23/265 - for discrete levels
  • G05D9/12 - characterised by the use of electric means
  • H01H47/20 - for producing frequency-selective operation of the relay
  • Y10T137/7306 - Electrical characteristic sensing
  • Y10T137/7413 - Level adjustment or selection means

• US Classifications

  • 137 - Fluid handling