499889

Information

• Patent Grant
• 499889

• References
• Source

• Patent Number

  499,889

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1893
  131 years ago

• CPC

  • B25H7/04 - Devices
  • Y10T83/851 - Indicator comprising work or product

• US Classifications

  • 033 - Geometrical instruments
  • 083 - Cutting