3331238

Information

• Patent Grant
• 3331238

• References
• Source

• Patent Number

  3,331,238

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • F16L55/1286 - The closing device being a cap
  • F16J10/02 - Cylinders designed to receive moving pistons or plungers
  • F16L17/00 - Joints with packing adapted to sealing by fluid pressure
  • G01M3/022 - Test plugs for closing off the end of a pipe

• US Classifications

  • 073 - Measuring and testing