3305949

Information

• Patent Grant
• 3305949

• References
• Source

• Patent Number

  3,305,949

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1967
  57 years ago

• CPC

  • E01H8/06 - essentially by driven tools clearing instruments

• US Classifications

  • 037 - Excavating
  • 172 - Earth working