3325834

Information

• Patent Grant
• 3325834

• References
• Source

• Patent Number

  3,325,834

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1967
  58 years ago

• CPC

  • B29B17/0042 - for shaping parts
  • A47C27/20 - with springs moulded in, or situated in cavities or openings in foamed material
  • B29C67/207 - comprising impregnating expanded particles or fragments with a binder
  • B29C67/222 - using expandable particles or beads as starting material
  • B68G11/06 - with embedded springs
  • B29K2105/04 - cellular or porous
  • B29L2031/58 - Upholstery or cushions
  • B29L2031/751 - Mattresses, cushions
  • Y02W30/62 - Plastics recycling

• US Classifications

  • 267 - Spring devices
  • 005 - Beds
  • 264 - Plastic and nonmetallic article shaping or treating: processes