3886851

Information

• Patent Grant
• 3886851

• References
• Source

• Patent Number

  3,886,851

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • F24F9/00 - Use of air currents for screening
  • E06B3/921 - with several parts mounted telescopically inside each other

• US Classifications

  • 454 - Ventilation
  • 160 - Flexible or portable closure, partition, or panel
  • 432 - Heating