2096917

Information

• Patent Grant
• 2096917

• References
• Source

• Patent Number

  2,096,917

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1937
  87 years ago

• CPC

  • E21C31/025 - by another slitting or extracting member

• US Classifications

  • 299 - Mining or in situ disintegration of hard material