1510490

Information

• Patent Grant
• 1510490

• References
• Source

• Patent Number

  1,510,490

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1924
  100 years ago

• CPC

  • E21C27/06 - with a slewing frame

• US Classifications

  • 299 - Mining or in situ disintegration of hard material