3238890

Information

• Patent Grant
• 3238890

• References
• Source

• Patent Number

  3,238,890

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1966
  58 years ago

• CPC

  • F04B1/02 - having two cylinders
  • F04B9/045 - the means being eccentrics
  • 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
  • F04B53/1015 - Combinations of ball valves working in parallel
  • F04B53/1087 - Valve seats

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices