3590447

Information

• Patent Grant
• 3590447

• References
• Source

• Patent Number

  3,590,447

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • B28B7/0061 - Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding
  • B28B7/0088 - Moulds in which at least one surface of the moulded article serves as mould surface
  • B28B7/08 - Moulds provided with means for tilting or inverting
  • B28B19/0007 - for producing articles with exposed aggregate

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus