2646144

Information

• Patent Grant
• 2646144

• References
• Source

• Patent Number

  2,646,144

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1953
  71 years ago

• CPC

  • E21B3/035 - with slipping or elastic transmission
  • Y10T74/19242 - Combined gear and clutch
  • Y10T408/6774 - including plural speed drive

• US Classifications

  • 192 - Clutches and power-stop control
  • 074 - Machine element or mechanism
  • 408 - Cutting by use of rotating axially moving tool