2541309

Information

• Patent Grant
• 2541309

• References
• Source

• Patent Number

  2,541,309

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1951
  73 years ago

• CPC

  • E01C23/0913 - with non-powered tools

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 172 - Earth working
  • 404 - Road structure, process, or apparatus