3429291

Information

• Patent Grant
• 3429291

• References
• Source

• Patent Number

  3,429,291

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  56 years ago

• CPC

  • B22D27/13 - making use of gas pressure
  • G01L13/02 - using elastically-deformable members or pistons as sensing elements
  • G01P13/002 - with electrical coupling to the indicating devices
  • H01H35/247 - the switch being of the reed switch type
  • H01H35/38 - actuated by piston and cylinder

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing
  • 200 - Electricity: circuit makers and breakers
  • 210 - Liquid purification or separation