2179649

Information

• Patent Grant
• 2179649

• References
• Source

• Patent Number

  2,179,649

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1939
  85 years ago

• CPC

  • E21B1/04 - Devices for reversing the movement of the rod or cable at the surface
  • F04B47/02 - the driving mechanisms being situated at ground level
  • Y10T74/18182 - Pump jack type
  • Y10T74/2156 - Weight type

• US Classifications

  • 074 - Machine element or mechanism