3446387

Information

• Patent Grant
• 3446387

• References
• Source

• Patent Number

  3,446,387

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • F16L59/121 - for pipes passing through walls or partitions
  • F17C13/00 - Details of vessels or of the filling or discharging of vessels
  • F17C2203/03 - Thermal insulations
  • F17C2203/0629 - Two walls
  • F17C2223/0161 - cryogenic

• US Classifications

  • 220 - Receptacles