3028610

Information

• Patent Grant
• 3028610

• References
• Source

• Patent Number

  3,028,610

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1962
  62 years ago

• CPC

  • A47C7/18 - having foamed material included in cushioning part
  • A47C27/144 - inside the mattress
  • A47C27/146 - on the outside surface of the mattress
  • B29C44/583 - for making articles with cavities
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2031/751 - Mattresses, cushions
  • Y10S264/11 - Molding styropor using steam probes-batch
  • Y10S297/01 - Foam
  • Y10T428/24273 - including aperture

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 005 - Beds
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 297 - Chairs and seats
  • 425 - Plastic article or earthenware shaping or treating: apparatus