3212521

Information

• Patent Grant
• 3212521

• References
• Source

• Patent Number

  3,212,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1965
  59 years ago

• CPC

  • H03H9/30 - Time-delay networks
  • B01J3/006 - Processes utilising sub-atmospheric pressure; Apparatus therefor
  • B01L1/00 - Enclosures Chambers
  • F16K51/02 - specially adapted for high-vacuum installations
  • F16L55/027 - Throttle passages
  • F26B5/04 - by evaporation or sublimation of moisture under reduced pressure
  • H01J13/28 - Selection of substances for gas filling Means for obtaining the desired pressure within the tube
  • H01J2893/0086 - Gas fill Maintaining or maintaining desired pressure Producing, introducing or replenishing gas or vapour during operation of the tube Getters Gas cleaning Electrode cleaning
  • Y10T137/7781 - With separate connected fluid reactor surface

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 251 - Valves and valve actuation