688921

Information

• Patent Grant
• 688921

• References
• Source

• Patent Number

  688,921

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1901
  123 years ago

• CPC

  • B23Q35/102 - of one line
  • Y10T82/141 - having transverse tool and templet guide
  • Y10T82/2524 - Multiple
  • Y10T409/500492 - including provision for circumferential relative movement of cutter and work

• US Classifications

  • 082 - Turning
  • 409 - Gear cutting, milling, or planing