3456739

Information

• Patent Grant
• 3456739

• References
• Source

• Patent Number

  3,456,739

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • C21B7/166 - Tuyere replacement apparatus
  • Y10T29/53839 - having percussion or explosive operator

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working