1230759

Information

• Patent Grant
• 1230759

• References
• Source

• Patent Number

  1,230,759

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1917
  107 years ago

• CPC

  • B24B7/224 - Portal grinding machines; Machines having a tool movable in a plane
  • Y10S29/068 - Hollow spindle contains
  • Y10S29/071 - Complete immersion of cutter

• US Classifications

  • 451 - Abrading
  • 029 - Metal working