2972288

Information

• Patent Grant
• 2972288

• References
• Source

• Patent Number

  2,972,288

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1961
  64 years ago

• CPC

  • B23F21/26 - Broaching tools
  • Y10T29/5178 - Attachment
  • Y10T407/1614 - Hollow tool for surrounding workpiece
  • Y10T409/502624 - Means for cutting groove

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 029 - Metal working
  • 407 - Cutters, for shaping