3664237

Information

• Patent Grant
• 3664237

• References
• Source

• Patent Number

  3,664,237

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • G01L13/023 - using bellows
  • B23Q1/34 - Relative movement obtained by use of deformable elements
  • G01L9/0038 - using variations in capacitance
  • G01L11/008 - electrostatic or electromagnetic counterbalancing forces
  • G01L19/04 - Means for compensating for effects of changes of temperature

• US Classifications

  • 092 - Expansible chamber devices
  • 073 - Measuring and testing