1206971

Information

• Patent Grant
• 1206971

• References
• Source

• Patent Number

  1,206,971

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1916
  109 years ago

• CPC

  • B23F5/205 - with plural tools
  • Y10T409/102385 - Plural hobs
  • Y10T409/10318 - Vertically

• US Classifications

  • 409 - Gear cutting, milling, or planing