3643747

Information

• Patent Grant
• 3643747

• References
• Source

• Patent Number

  3,643,747

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  52 years ago

• CPC

  • A01B45/02 - for aerating
  • Y10T403/32934 - Oppositely laterally movable tines

• US Classifications

  • 172 - Earth working
  • 403 - Joints and connections