2990167

Information

• Patent Grant
• 2990167

• References
• Source

• Patent Number

  2,990,167

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • E21D9/12 - Devices for removing or hauling away excavated material or spoil Working or loading platforms
  • E21D9/126 - Loading devices or installations

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting
  • 414 - Material or article handling