2935310

Information

• Patent Grant
• 2935310

• References
• Source

• Patent Number

  2,935,310

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1960
  64 years ago

• CPC

  • E21C27/18 - by both slitting and planing

• US Classifications

  • 299 - Mining or in situ disintegration of hard material