3808960

Information

• Patent Grant
• 3808960

• References
• Source

• Patent Number

  3,808,960

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • A01K31/00 - Housing birds
  • F24F7/00 - Ventilation
  • F24F13/1426 - characterised by actuating means
  • F24F2013/1433 - with electric motors
  • F24F2013/1453 - with cables
  • Y10T137/87812 - Pivoted valve or deflector

• US Classifications

  • 454 - Ventilation
  • 137 - Fluid handling