3645019

Information

• Patent Grant
• 3645019

• References
• Source

• Patent Number

  3,645,019

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • E02F5/04 - with digging screws
  • E02F3/06 - with digging screws

• US Classifications

  • 037 - Excavating