3755930

Information

• Patent Grant
• 3755930

• References
• Source

• Patent Number

  3,755,930

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • E01H5/068 - by backblades
  • E02F3/7668 - with the scraper blade being pivotable about a vertical axis
  • E02F3/7677 - with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade

• US Classifications

  • 037 - Excavating
  • 172 - Earth working