3752690

Information

• Patent Grant
• 3752690

• References
• Source

• Patent Number

  3,752,690

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1973
  51 years ago

• CPC

  • B29C59/18 - by liberation of internal stresses
  • B29C43/222 - characterised by the shape of the surface
  • B29C43/265 - for making multilayered articles
  • B29C61/006 - the force created by the liberation of the internal stresses being used for compression moulding or for pressing preformed material
  • B44C1/26 - Inlaying with ornamental structures

• US Classifications

  • 427 - Coating processes