3675724

Information

• Patent Grant
• 3675724

• References
• Source

• Patent Number

  3,675,724

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • A01B33/022 - with helicoidal tools

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 180 - Motor vehicles
  • 404 - Road structure, process, or apparatus