612774

Information

• Patent Grant
• 612774

• References
• Source

• Patent Number

  612,774

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1898
  127 years ago

• CPC

  • B23D63/126 - the tool being a grinding worm
  • Y10T83/7264 - With special blade guide means

• US Classifications

  • 076 - Metal tools and implements, making
  • 083 - Cutting