709178

Information

• Patent Grant
• 709178

• References
• Source

• Patent Number

  709,178

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1902
  122 years ago

• CPC

  • B24B3/42 - helically bent
  • Y10S451/906 - Machine element or unit
  • Y10T82/2568 - Center

• US Classifications

  • 451 - Abrading
  • 076 - Metal tools and implements, making
  • 082 - Turning