2643106

Information

• Patent Grant
• 2643106

• References
• Source

• Patent Number

  2,643,106

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1953
  71 years ago

• CPC

  • E21C27/126 - with slitting and breaking-down members situated in parallel on an intermediary level

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 100 - Presses
  • 475 - Planetary gear transmission systems or components