3684040

Information

• Patent Grant
• 3684040

• References
• Source

• Patent Number

  3,684,040

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • E02F3/4136 - with grabs mounted on a slidable or telescopic boom or arm
  • E02F3/47 - with grab buckets

• US Classifications

  • 175 - Boring or penetrating the earth