1841351

Information

• Patent Grant
• 1841351

• References
• Source

• Patent Number

  1,841,351

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1932
  93 years ago

• CPC

  • E21B6/08 - Separate drives for percussion and rotation
  • B25D11/108 - the rotation axis of the cam member being parallel but offset to the tool axis

• US Classifications

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