1967957

Information

• Patent Grant
• 1967957

• References
• Source

• Patent Number

  1,967,957

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1934
  90 years ago

• CPC

  • F04C28/04 - specially adapted for reversible pumps
  • F04C18/0215 - where only one member is moving
  • F04C18/045 - having a C-shaped piston
  • F04C29/02 - Lubrication Lubricant separation
  • Y10T74/18256 - Slidable connections [e.g., scotch yoke]
  • Y10T74/2179 - Adjustable
  • Y10T137/5283 - Units interchangeable between alternate locations
  • Y10T137/7925 - Piston-type valves

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 074 - Machine element or mechanism
  • 137 - Fluid handling