2093515

Information

• Patent Grant
• 2093515

• References
• Source

• Patent Number

  2,093,515

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1937
  87 years ago

• CPC

  • E04D13/0431 - with horizontal evacuation over the border of the roof
  • Y10T137/698 - Wall
  • Y10T137/7838 - Plural
  • Y10T137/7902 - Valve mounted on end of pipe
  • Y10T137/7903 - Weight biased
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 210 - Liquid purification or separation
  • 114 - Ships
  • 137 - Fluid handling
  • 193 - Conveyors, chutes, skids, guides, and ways
  • 251 - Valves and valve actuation