3842633

Information

• Patent Grant
• 3842633

• References
• Source

• Patent Number

  3,842,633

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • B21H9/02 - for screw-rolling machines
  • B21H3/06 - Making by means of profiled members other than rolls

• US Classifications

  • 072 - Metal deforming