472821

Information

• Patent Grant
• 472821

• References
• Source

• Patent Number

  472,821

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1892
  133 years ago

• CPC

  • B27B31/04 - Turning equipment
  • Y10T83/6504 - By member having work-engaging tooth

• US Classifications

  • 083 - Cutting