3269566

Information

• Patent Grant
• 3269566

• References
• Source

• Patent Number

  3,269,566

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1966
  58 years ago

• CPC

  • E21F13/065 - Scrapers

• US Classifications

  • 414 - Material or article handling
  • 299 - Mining or in situ disintegration of hard material