3878901

Information

• Patent Grant
• 3878901

• References
• Source

• Patent Number

  3,878,901

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • A01B63/22 - operated by hydraulic or pneumatic means
  • A01B21/083 - of the type comprising four individual disk groups each pivotally connected at fixed locations to a substantially rigid frame
  • A01B23/046 - Specially adapted for harrows with rotating tools

• US Classifications

  • 172 - Earth working