2171240

Information

• Patent Grant
• 2171240

• References
• Source

• Patent Number

  2,171,240

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1939
  85 years ago

• CPC

  • F22B37/545 - Valves specially adapted therefor
  • Y10T137/4245 - Cleaning or steam sterilizing
  • Y10T137/863 - Access and outlet
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices
  • 251 - Valves and valve actuation
  • 277 - Seal for a joint or juncture