2931380

Information

• Patent Grant
• 2931380

• References
• Source

• Patent Number

  2,931,380

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • F16K5/222 - for plugs with conical surfaces
  • Y10T137/4386 - Loss control
  • Y10T137/4421 - Jacking

• US Classifications

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