3864951

Information

• Patent Grant
• 3864951

• References
• Source

• Patent Number

  3,864,951

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  49 years ago

• CPC

  • B21B31/32 - by liquid pressure
  • B21B17/12 - in a discontinuous process
  • B21B17/14 - without mandrel
  • B21B31/30 - by wedges or their equivalent

• US Classifications

  • 072 - Metal deforming