2713773

Information

• Patent Grant
• 2713773

• References
• Source

• Patent Number

  2,713,773

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1955
  69 years ago

• CPC

  • E21D15/155 - Built-in cleaning devices
  • E21D15/45 - having closed fluid system
  • Y10T137/87378 - Second valve assembly carried by first valve head

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 417 - Pumps