2931578

Information

• Patent Grant
• 2931578

• References
• Source

• Patent Number

  2,931,578

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  65 years ago

• CPC

  • F24J2/0433 - in the form of a window
  • E06B7/06 - with one ventilation wing only
  • Y02B10/20 - Solar thermal
  • Y02E10/44 - Heat exchange systems
  • Y10S454/90 - Ventilator using solar power

• US Classifications

  • 126 - Stoves and furnaces
  • 047 - Plant husbandry
  • 049 - Movable or removable closures
  • 160 - Flexible or portable closure, partition, or panel
  • 454 - Ventilation
  • D11 - Jewelry, symbolic insignia, and ornaments
  • D25 - Building units and construction elements