3521712

Information

• Patent Grant
• 3521712

• References
• Source

• Patent Number

  3,521,712

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • A01B13/02 - for making or working ridges
  • A01B33/021 - with rigid tools
  • A01B33/08 - Tools Details
  • A01B33/144 - with spring tools or resiliently-attached rigid tools
  • F16H3/02 - without gears having orbital motion

• US Classifications

  • 172 - Earth working