3457977

Information

• Patent Grant
• 3457977

• References
• Source

• Patent Number

  3,457,977

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  55 years ago

• CPC

  • B27C1/007 - For cutting through a work-piece with a tool having a rotational vector which is parallel to the surfaces generated by cutting
  • A01G23/08 - Felling trees
  • A01G23/093 - Combinations of shearing, sawing or milling apparatus specially adapted for felling trees
  • B27G13/02 - in the shape of long arbors
  • Y10T83/9394 - Helical tool
  • Y10T407/1966 - Helical tooth

• US Classifications

  • 144 - Woodworking