3404552

Information

• Patent Grant
• 3404552

• References
• Source

• Patent Number

  3,404,552

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1968
  56 years ago

• CPC

  • B21C23/002 - Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
  • B21C23/085 - Making tubes
  • B21J9/04 - Piercing presses

• US Classifications

  • 072 - Metal deforming