3771221

Information

• Patent Grant
• 3771221

• References
• Source

• Patent Number

  3,771,221

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • B30B11/30 - using directly-acting fluid pressure
  • B21C23/007 - Hydrostatic extrusion
  • B22F3/20 - by extruding
  • H01F1/06 - in the form of particles
  • B22F2003/202 - with back pressure
  • B22F2003/206 - Hydrostatic or hydraulic extrusion
  • B22F2999/00 - Aspects linked to processes or compositions used in powder metallurgy
  • Y10T29/49076 - From comminuted material

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 419 - Powder metallurgy processes