3440861

Information

• Patent Grant
• 3440861

• References
• Source

• Patent Number

  3,440,861

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • B25D17/08 - Means for retaining and guiding the tool bit
  • B25D5/02 - Automatic centre punches

• US Classifications

  • 072 - Metal deforming
  • 030 - Cutlery
  • 173 - Tool driving or impacting