2863704

Information

• Patent Grant
• 2863704

• References
• Source

• Patent Number

  2,863,704

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1958
  66 years ago

• CPC

  • E21B17/1071 - specially adapted for pump rods
  • F04B47/005 - Sand trap arrangements
  • F04B53/146 - Piston-rod guiding arrangements

• US Classifications

  • 166 - Wells