1940999

Information

• Patent Grant
• 1940999

• References
• Source

• Patent Number

  1,940,999

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1933
  90 years ago

• CPC

  • F04B53/1017 - Semi-spherical ball valves
  • Y10S137/902 - Slush pump check valves
  • Y10T137/792 - Guide and closure integral unit

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation