3381345

Information

• Patent Grant
• 3381345

• References
• Source

• Patent Number

  3,381,345

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • B28B7/0073 - with moulding surfaces simulating assembled bricks or blocks with mortar joints
  • B28B7/0061 - Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 249 - Static molds
  • 264 - Plastic and nonmetallic article shaping or treating: processes