2169765

Information

• Patent Grant
• 2169765

• References
• Source

• Patent Number

  2,169,765

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1939
  85 years ago

• CPC

  • B23Q17/00 - Arrangements for observing, indicating or measuring on machine tools
  • Y10T29/5164 - Screw operated
  • Y10T74/19242 - Combined gear and clutch
  • Y10T82/2554 - Speed changing gear

• US Classifications

  • 082 - Turning
  • 029 - Metal working
  • 074 - Machine element or mechanism