2193387

Information

• Patent Grant
• 2193387

• References
• Source

• Patent Number

  2,193,387

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1940
  84 years ago

• CPC

  • E21C25/64 - Slitting machines guided solely by hand and either carried by hand or mounted on supports

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting