3870591

Information

• Patent Grant
• 3870591

• References
• Source

• Patent Number

  3,870,591

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • E04F15/10 - of other materials
  • C08J9/06 - by a chemical blowing agent
  • D06N7/0013 - obtained by chemical embossing (chemisches Prägen)
  • D06N7/0047 - Special extra layers under the surface coating
  • Y10S273/05 - Vinyl
  • Y10T428/24504 - Component comprises a polymer [e.g., rubber, etc.]
  • Y10T428/24521 - with component conforming to contour of nonplanar surface
  • Y10T428/24595 - and varying density
  • Y10T428/24992 - Density or compression of components
  • Y10T428/249981 - Plural void-containing components
  • Y10T428/249988 - Of about the same composition as, and adjacent to, the void-containing component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 273 - Amusement devices: games