3348402

Information

• Patent Grant
• 3348402

• References
• Source

• Patent Number

  3,348,402

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1967
  57 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

  • 072 - Metal deforming
  • 138 - Pipes and tubular conduits