3306668

Information

• Patent Grant
• 3306668

• References
• Source

• Patent Number

  3,306,668

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  57 years ago

• CPC

  • B25D17/32 - Trolleys
  • C25C3/14 - Devices for feeding or crust breaking

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting
  • 204 - Chemistry: electrical and wave energy
  • 373 - Industrial electric heating furnaces