3874211

Information

• Patent Grant
• 3874211

• References
• Source

• Patent Number

  3,874,211

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B21B37/24 - Automatic variation of thickness according to a predetermined programme
  • B21B17/04 - in a continuous process
  • B21B17/12 - in a discontinuous process
  • B21B17/14 - without mandrel

• US Classifications

  • 072 - Metal deforming