2171406

Information

• Patent Grant
• 2171406

• References
• Source

• Patent Number

  2,171,406

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  85 years ago

• CPC

  • B23F9/084 - the hob being tapered
  • Y10T409/101908 - Generating tooth for bevel gear
  • Y10T409/103498 - Infeed of cutter

• US Classifications

  • 409 - Gear cutting, milling, or planing