2709913

Information

• Patent Grant
• 2709913

• References
• Source

• Patent Number

  2,709,913

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1955
  69 years ago

• CPC

  • H02M5/005 - using discharge tubes
  • G01M1/22 - and converting vibrations due to unbalance into electric variables

• US Classifications

  • 073 - Measuring and testing
  • 324 - Electricity: measuring and testing
  • 340 - Communications: electrical