3394301

Information

• Patent Grant
• 3394301

• References
• Source

• Patent Number

  3,394,301

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1968
  56 years ago

• CPC

  • G01N27/005 - by determining the work function in vacuum
  • G01L21/00 - Vacuum gauges
  • G01N7/00 - Analysing materials by measuring the pressure or volume of a gas or vapour
  • G01N27/002 - by investigating the work function voltage

• US Classifications

  • 324 - Electricity: measuring and testing