2569584

Information

• Patent Grant
• 2569584

• References
• Source

• Patent Number

  2,569,584

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1951
  72 years ago

• CPC

  • E21C25/34 - Chains

• US Classifications

  • 299 - Mining or in situ disintegration of hard material