2535492

Information

• Patent Grant
• 2535492

• References
• Source

• Patent Number

  2,535,492

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1950
  74 years ago

• CPC

  • H01H3/62 - Lubricating means structurally associated with the switch
  • G01L21/04 - wherein the chamber is closed by liquid vacuum gauges of the McLeod type
  • B01D53/261 - by adsorption
  • B01D2253/106 - Silica or silicates
  • B01D2257/80 - Water

• US Classifications

  • 073 - Measuring and testing
  • 096 - Gas separation: apparatus
  • 252 - Compositions