2737379

Information

• Patent Grant
• 2737379

• References
• Source

• Patent Number

  2,737,379

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1956
  68 years ago

• CPC

  • E21C25/52 - Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22

• US Classifications

  • 299 - Mining or in situ disintegration of hard material