2257209

Information

• Patent Grant
• 2257209

• References
• Source

• Patent Number

  2,257,209

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • F04B53/1035 - with means for limiting the opening height
  • F04B53/1025 - the guiding means being provided within the valve opening
  • Y10T137/7916 - With closing stop
  • Y10T137/7918 - Head slidable on guide rod

• US Classifications

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