2642257

Information

• Patent Grant
• 2642257

• References
• Source

• Patent Number

  2,642,257

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • F16K5/222 - for plugs with conical surfaces
  • F16K5/0278 - on the plug

• US Classifications

  • 251 - Valves and valve actuation