2851261

Information

• Patent Grant
• 2851261

• References
• Source

• Patent Number

  2,851,261

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1958
  66 years ago

• CPC

  • E21C25/28 - Chains or chain guides

• US Classifications

  • 299 - Mining or in situ disintegration of hard material