2820415

Information

• Patent Grant
• 2820415

• References
• Source

• Patent Number

  2,820,415

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • B66F3/42 - with self-contained pumps
  • E21D15/586 - the props being pre-loaded
  • F04B5/00 - Machines or pumps with differential surface pistons
  • F04B9/14 - Pumps characterised by muscle-power operation
  • Y10T137/2703 - Flow rate responsive

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling