3031945

Information

• Patent Grant
• 3031945

• References
• Source

• Patent Number

  3,031,945

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1962
  62 years ago

• CPC

  • F24F13/15 - with parallel simultaneously tiltable lamellae
  • F24F13/075 - having parallel rods or lamellae directing the outflow
  • F24F13/1413 - using more than one tilting member
  • F24F13/1426 - characterised by actuating means
  • F24F2013/1453 - with cables

• US Classifications

  • 454 - Ventilation
  • 049 - Movable or removable closures