1434287

Information

• Patent Grant
• 1434287

• References
• Source

• Patent Number

  1,434,287

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1922
  102 years ago

• CPC

  • E02F3/7681 - with the scraper blade being horizontally movable into a position near the frame

• US Classifications

  • 172 - Earth working