191561

Information

• Patent Grant
• 191561

• References
• Source

• Patent Number

  191,561

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1877
  147 years ago

• CPC

  • B23B29/03425 - by means of gears and racks
  • Y10T408/856 - Moving means including pinion engaging rack-like surface of Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool