2697984

Information

• Patent Grant
• 2697984

• References
• Source

• Patent Number

  2,697,984

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1954
  70 years ago

• CPC

  • F04B47/02 - the driving mechanisms being situated at ground level
  • H01J21/04 - without control means
  • Y10T137/2703 - Flow rate responsive

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling