2351982

Information

• Patent Grant
• 2351982

• References
• Source

• Patent Number

  2,351,982

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1944
  80 years ago

• CPC

  • G05B1/022 - using discharge tubes

• US Classifications

  • 340 - Communications: electrical
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing