2440581

Information

• Patent Grant
• 2440581

• References
• Source

• Patent Number

  2,440,581

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1948
  76 years ago

• CPC

  • A01B63/28 - operated by the machine or implement
  • A01B63/08 - operated by the movement of the tractor

• US Classifications

  • 280 - Land vehicles
  • 172 - Earth working