1219310

Information

• Patent Grant
• 1219310

• References
• Source

• Patent Number

  1,219,310

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1917
  107 years ago

• CPC

  • B23Q35/20 - with special means for varying the ratio of reproduction
  • Y10T409/3014 - Pivotally supported for vertical movement
  • Y10T409/301512 - including plural cutters

• US Classifications

  • 409 - Gear cutting, milling, or planing