3495606

Information

• Patent Grant
• 3495606

• References
• Source

• Patent Number

  3,495,606

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1970
  55 years ago

• CPC

  • A62C2/16 - multi-vane roll or fold-up type
  • F16K17/006 - specially adapted for shelters
  • F16K17/383 - the valve comprising fusible, softening or meltable elements
  • F24F13/10 - movable
  • F24F2011/0098 - closing air passage in case of fire, excessive heat or smoke
  • Y10T137/1819 - Safety cut-off

• US Classifications

  • 137 - Fluid handling
  • 049 - Movable or removable closures
  • 160 - Flexible or portable closure, partition, or panel
  • 251 - Valves and valve actuation
  • 454 - Ventilation
  • D23 - Environmental heating and cooling