3331285

Information

• Patent Grant
• 3331285

• References
• Source

• Patent Number

  3,331,285

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • B23F5/22 - the tool being a hob for making spur gears
  • Y10T409/10318 - Vertically

• US Classifications

  • 409 - Gear cutting, milling, or planing