3047928

Information

• Patent Grant
• 3047928

• References
• Source

• Patent Number

  3,047,928

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1962
  62 years ago

• CPC

  • B28B21/88 - adjustable, collapsible or expansible
  • B28B7/18 - the holes passing completely through the article
  • B28B7/28 - Cores Mandrels
  • B28B21/06 - into moulds having sliding parts

• US Classifications

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