2819495

Information

• Patent Grant
• 2819495

• References
• Source

• Patent Number

  2,819,495

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1958
  66 years ago

• CPC

  • B28B7/16 - Moulds for making shaped articles with cavities or holes open to the surface
  • B28B7/0073 - with moulding surfaces simulating assembled bricks or blocks with mortar joints
  • B28B7/0091 - Transformable moulds allowing the change of shape of an initial moulded preform by preform deformation or the change of its size by moulding on the preform
  • B28B11/0818 - for roughening, profiling, corrugating
  • E04B2/12 - using elements having a general shape differing from that of a parallelepiped

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 249 - Static molds