2940477

Information

• Patent Grant
• 2940477

• References
• Source

• Patent Number

  2,940,477

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1960
  64 years ago

• CPC

  • F16K31/48 - actuated by mechanical timing-device
  • E21B43/122 - Gas lift
  • F04B9/10 - the fluid being liquid
  • Y10T137/86453 - Plural trips or trip actuations

• US Classifications

  • 137 - Fluid handling
  • 417 - Pumps