2513186

Information

• Patent Grant
• 2513186

• References
• Source

• Patent Number

  2,513,186

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1950
  74 years ago

• CPC

  • A01B49/022 - at least one tool being actively driven
  • A01B33/022 - with helicoidal tools

• US Classifications

  • 172 - Earth working