643991

Information

• Patent Grant
• 643991

• References
• Source

• Patent Number

  643,991

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1900
  124 years ago

• CPC

  • B23G1/32 - by milling
  • Y10T82/148 - Pivoted tool rest
  • Y10T407/17 - Gear cutting tool
  • Y10T407/1928 - Tool adjustable relative to holder
  • Y10T409/300504 - Plural cutters or work holders
  • Y10T409/300616 - Work means to move work axially and means to interrelate work movement with cutter rotation

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning
  • 269 - Work holders
  • 407 - Cutters, for shaping