3506532

Information

• Patent Grant
• 3506532

• References
• Source

• Patent Number

  3,506,532

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • E04C2/243 - one at least of the material being insulating
  • B44C5/04 - Ornamental plaques
  • B60R13/0225 - self supporting head liners
  • E04C2/32 - formed of corrugated or otherwise indented sheet-like material composed of such layers with or without layers of flat sheet-like material
  • B60R13/0815 - Acoustic or thermal insulation of passenger compartments
  • Y10T428/24496 - Foamed or cellular component
  • Y10T428/24537 - Parallel ribs and/or grooves
  • Y10T428/249966 - Plural cellulosic components
  • Y10T428/249981 - Plural void-containing components
  • Y10T428/249982 - With component specified as adhesive or bonding agent
  • Y10T428/249987 - With nonvoid component of specified composition

• US Classifications

  • 428 - Stock material or miscellaneous articles