2822161

Information

• Patent Grant
• 2822161

• References
• Source

• Patent Number

  2,822,161

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • G01P15/02 - by making use of inertia forces using solid seismic masses
  • G01D11/12 - using fluid damping
  • G01P15/12 - by alteration of electrical resistance

• US Classifications

  • 073 - Measuring and testing