2806726

Information

• Patent Grant
• 2806726

• References
• Source

• Patent Number

  2,806,726

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1957
  67 years ago

• CPC

  • F24F13/00 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
  • E04F19/08 - Built-in cupboards Masks of niches Covers of holes enabling access to installations
  • F24F13/08 - Air-flow control members
  • F24F13/16 - built up of parallelly-movable plates
  • F24F13/084 - with mounting arrangements
  • Y10T16/595 - Bow
  • Y10T292/0817 - Spring arm

• US Classifications

  • 292 - Closure fasteners
  • 016 - Miscellaneous hardware
  • 454 - Ventilation