3548858

Information

• Patent Grant
• 3548858

• References
• Source

• Patent Number

  3,548,858

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1970
  54 years ago

• CPC

  • F16K5/0673 - Composite packings
  • F16K5/227 - for plugs with spherical surfaces
  • Y10T137/4393 - Screw feed
  • Y10T137/4442 - External pressure

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation