3577612

Information

• Patent Grant
• 3577612

• References
• Source

• Patent Number

  3,577,612

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1971
  53 years ago

• CPC

  • B28B7/06 - Moulds with flexible parts
  • B28B7/0061 - Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding
  • B28B7/18 - the holes passing completely through the article

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 249 - Static molds