2359089

Information

• Patent Grant
• 2359089

• References
• Source

• Patent Number

  2,359,089

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1944
  80 years ago

• CPC

  • E01B27/027 - Loosening ballasting material

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 175 - Boring or penetrating the earth