906189

Information

• Patent Grant
• 906189

• References
• Source

• Patent Number

  906,189

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1908
  116 years ago

• CPC

  • B23F9/084 - the hob being tapered
  • Y10T409/101908 - Generating tooth for bevel gear
  • Y10T409/105883 - Using rotary cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing