443785

Information

• Patent Grant
• 443785

• References
• Source

• Patent Number

  443,785

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1890
  134 years ago

• CPC

  • B23D65/00 - Making tools for sawing machines or sawing devices for use in cutting any kind of material
  • Y10T29/49973 - Compressing ingot while still partially molten
  • Y10T29/49977 - From center of ingot to leave hollow blank

• US Classifications

  • 076 - Metal tools and implements, making
  • 029 - Metal working