3473346

Information

• Patent Grant
• 3473346

• References
• Source

• Patent Number

  3,473,346

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  56 years ago

• CPC

  • F25B15/10 - with inert gas
  • B21C37/283 - Making U-pieces
  • B21D11/07 - Making serpentine-shaped articles by bending essentially in one plane

• US Classifications

  • 062 - Refrigeration