3718081

Information

• Patent Grant
• 3718081

• References
• Source

• Patent Number

  3,718,081

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • F24F13/15 - with parallel simultaneously tiltable lamellae
  • Y10T137/5109 - Convertible
  • Y10T137/8745 - Including rigid plate with flexible or resilient seal
  • Y10T137/87467 - Axes of rotation parallel

• US Classifications

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