3553789

Information

• Patent Grant
• 3553789

• References
• Source

• Patent Number

  3,553,789

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  53 years ago

• CPC

  • B29D30/0629 - with radially movable sectors
  • B29D2030/0618 - Annular elements

• US Classifications

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