2472644

Information

• Patent Grant
• 2472644

• References
• Source

• Patent Number

  2,472,644

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1949
  75 years ago

• CPC

  • B23F5/22 - the tool being a hob for making spur gears
  • B23F19/007 - using a gear-shaped tool
  • Y10T409/10318 - Vertically

• US Classifications

  • 409 - Gear cutting, milling, or planing