2423787

Information

• Patent Grant
• 2423787

• References
• Source

• Patent Number

  2,423,787

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1947
  77 years ago

• CPC

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

• US Classifications

  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth
  • 241 - Solid material comminution or disintegration
  • 299 - Mining or in situ disintegration of hard material
  • 373 - Industrial electric heating furnaces