2607221

Information

• Patent Grant
• 2607221

• References
• Source

• Patent Number

  2,607,221

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1952
  72 years ago

• CPC

  • G01F1/106 - with electrostatic coupling to the indicating device

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices
  • 073 - Measuring and testing
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical