1693686

Information

• Patent Grant
• 1693686

• References
• Source

• Patent Number

  1,693,686

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1928
  96 years ago

• CPC

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

• US Classifications

  • 409 - Gear cutting, milling, or planing