3912017

Information

• Patent Grant
• 3912017

• References
• Source

• Patent Number

  3,912,017

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 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

• US Classifications

  • 172 - Earth working