2109082

Information

• Patent Grant
• 2109082

• References
• Source

• Patent Number

  2,109,082

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1938
  86 years ago

• CPC

  • E21C25/30 - Chain guides

• US Classifications

  • 299 - Mining or in situ disintegration of hard material