2931286

Information

• Patent Grant
• 2931286

• References
• Source

• Patent Number

  2,931,286

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • B60N2/5642 - with circulation of air through a layer inside the seat
  • B60H1/00285 - for vehicle seats
  • B60N2/5628 - coming from the vehicle ventilation system
  • B60N2/5657 - blown towards the seat surface
  • B60N2/60 - Removable protective coverings
  • F24F13/0218 - Flexible soft ducts
  • F24F13/0604 - integrated in or forming part of furniture

• US Classifications

  • 454 - Ventilation
  • 297 - Chairs and seats