2542421

Information

• Patent Grant
• 2542421

• References
• Source

• Patent Number

  2,542,421

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1951
  73 years ago

• CPC

  • B23Q5/18 - Devices for preselecting speed of working-spindle
  • B23Q2705/08 - Devices for preselecting speed in gear boxes of lathes
  • Y10T29/5179 - Speed controller

• US Classifications

  • 029 - Metal working