3828597

Information

• Patent Grant
• 3828597

• References
• Source

• Patent Number

  3,828,597

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • B23F21/288 - the cutting edges on consecutive teeth being helically arranged

• US Classifications

  • 072 - Metal deforming