3237216

Information

• Patent Grant
• 3237216

• References
• Source

• Patent Number

  3,237,216

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  59 years ago

• CPC

  • A47C7/742 - for ventilating or cooling
  • A47C7/425 - Supplementary back-rests to be positioned on a back-rest or the like
  • B60N2/56 - Heating or ventilating devices
  • B60N2/7064 - helicoidal

• US Classifications

  • 005 - Beds
  • 297 - Chairs and seats