3490809

Information

• Patent Grant
• 3490809

• References
• Source

• Patent Number

  3,490,809

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • A47C4/03 - Non-upholstered chairs
  • A47C4/02 - Dismountable chairs
  • F16B12/46 - Non-metal corner connections
  • A47B2230/0085 - Mutually slotted furniture joints
  • F16B2012/043 - using carpentry joints other than mortise and tenon joints
  • F16B2012/463 - for wooden members without additional elements

• US Classifications

  • 297 - Chairs and seats