3219104

Information

• Patent Grant
• 3219104

• References
• Source

• Patent Number

  3,219,104

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1965
  59 years ago

• CPC

  • E06B7/084 - with rotatable lamellae
  • E06B9/36 - with vertical lamellae; Supporting rails therefor
  • E06B9/367 - Lamellae suspensions ; Bottom weights; Bottom guides
  • Y10S165/138 - Partially rotable

• US Classifications

  • 165 - Heat exchange
  • 049 - Movable or removable closures
  • 454 - Ventilation