2837898

Information

• Patent Grant
• 2837898

• References
• Source

• Patent Number

  2,837,898

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1958
  66 years ago

• CPC

  • F04B53/166 - Cylinder liners
  • F04B11/0083 - the pistons having different cross-sections
  • F04B15/08 - the liquids having low boiling points
  • F04B23/023 - only the pump-part being immersed, the driving-part being outside the reservoir
  • F04B53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
  • F04B53/06 - Venting
  • F04B53/1035 - with means for limiting the opening height
  • F04B53/126 - Ball valves
  • F04B53/164 - Stoffing boxes
  • Y10T74/18208 - Crank, pitman, and slide

• US Classifications

  • 417 - Pumps
  • 062 - Refrigeration
  • 074 - Machine element or mechanism
  • 092 - Expansible chamber devices