2390562

Information

• Patent Grant
• 2390562

• References
• Source

• Patent Number

  2,390,562

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1945
  79 years ago

• CPC

  • E21C27/08 - with additional means for cutting the mineral into blocks
  • B28D1/045 - Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut

• US Classifications

  • 299 - Mining or in situ disintegration of hard material