3013783

Information

• Patent Grant
• 3013783

• References
• Source

• Patent Number

  3,013,783

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1961
  63 years ago

• CPC

  • E21C27/124 - with rotatable cutters provided with breaking-down members

• US Classifications

  • 299 - Mining or in situ disintegration of hard material