3357746

Information

• Patent Grant
• 3357746

• References
• Source

• Patent Number

  3,357,746

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1967
  57 years ago

• CPC

  • E21C31/08 - for adjusting parts of the machines

• US Classifications

  • 299 - Mining or in situ disintegration of hard material