3116196

Information

• Patent Grant
• 3116196

• References
• Source

• Patent Number

  3,116,196

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1963
  61 years ago

• CPC

  • A47C7/20 - with reinforcement in the foam layer
  • A47C7/34 - with springs in compression
  • A47C23/0431 - supporting a flat board or strip
  • A47C27/0453 - Attachment of spring inlays to outer layers
  • A47C27/0456 - Use of stiffening sheets, lattices or grids in, on, or under, spring inlays
  • A47C27/05 - with padding material
  • A47C27/053 - with only one layer of foamed material
  • B29C44/1209 - by impregnating a preformed part
  • Y10S297/03 - Pneumatic
  • Y10T442/15 - Including a foam layer
  • Y10T442/3325 - Including a foamed layer or component

• US Classifications

  • 442 - Fabric
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 297 - Chairs and seats