2217449

Information

• Patent Grant
• 2217449

• References
• Source

• Patent Number

  2,217,449

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1940
  83 years ago

• CPC

  • A01B31/00 - Drags graders for field cultivators
  • A01B35/04 - drawn by animal or tractor or man-power

• US Classifications

  • 172 - Earth working