2938646

Information

• Patent Grant
• 2938646

• References
• Source

• Patent Number

  2,938,646

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1960
  64 years ago

• CPC

  • F28F11/04 - using pairs of obturating elements
  • F16L55/136 - the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like

• US Classifications

  • 220 - Receptacles