3885347

Information

• Patent Grant
• 3885347

• References
• Source

• Patent Number

  3,885,347

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  49 years ago

• CPC

  • F24F13/15 - with parallel simultaneously tiltable lamellae
  • Y10T137/8745 - Including rigid plate with flexible or resilient seal

• US Classifications

  • 049 - Movable or removable closures
  • 137 - Fluid handling
  • 454 - Ventilation