3871200

Information

• Patent Grant
• 3871200

• References
• Source

• Patent Number

  3,871,200

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  49 years ago

• CPC

  • B22F3/20 - by extruding
  • B22F3/02 - Compacting only
  • B22F2003/026 - Mold wall lubrication or article surface lubrication
  • B22F2003/202 - with back pressure
  • Y10S29/031 - Pressing powder with other step
  • Y10S29/047 - Extruding with other step

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working
  • 419 - Powder metallurgy processes