3747687

Information

• Patent Grant
• 3747687

• References
• Source

• Patent Number

  3,747,687

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • A01B11/00 - Ploughs with oscillating, digging or piercing tools driven or not
  • A01B19/06 - with tools or tool-frames moved to-and-fro mechanically
  • A01B45/02 - for aerating

• US Classifications

  • 172 - Earth working