3426581

Information

• Patent Grant
• 3426581

• References
• Source

• Patent Number

  3,426,581

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  55 years ago

• CPC

  • F16K51/02 - specially adapted for high-vacuum installations
  • Y10S277/91 - O-ring seal
  • Y10T137/4358 - Liquid supplied at valve interface
  • Y10T137/4379 - Feed by or with actuation
  • Y10T137/4442 - External pressure

• US Classifications

  • 073 - Measuring and testing
  • 137 - Fluid handling
  • 184 - Lubrication
  • 277 - Seal for a joint or juncture