3844876

Information

• Patent Grant
• 3844876

• References
• Source

• Patent Number

  3,844,876

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • B32B27/00 - Layered products comprising a layer of synthetic resin
  • B29C44/5636 - with the addition of heat
  • B29L2009/00 - Layered products
  • B29L2031/58 - Upholstery or cushions
  • Y10S273/09 - Ester
  • Y10S521/918 - Physical aftertreatment of a cellular product
  • Y10T428/24512 - Polyurethane
  • Y10T428/24521 - with component conforming to contour of nonplanar surface
  • Y10T428/24537 - Parallel ribs and/or grooves
  • Y10T428/249993 - Hydrocarbon polymer

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 273 - Amusement devices: games
  • 521 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers