3441090

Information

• Patent Grant
• 3441090

• References
• Source

• Patent Number

  3,441,090

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • E02F3/7677 - with the scraper blade being pivotable about a horizontal axis disposed perpendicular to the blade
  • E02F9/026 - for moving on the underwater bottom

• US Classifications

  • 172 - Earth working