2818628

Information

• Patent Grant
• 2818628

• References
• Source

• Patent Number

  2,818,628

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1958
  67 years ago

• CPC

  • B28B7/0061 - Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding
  • B28B1/48 - by removing material from solid section preforms for forming hollow articles
  • B28B7/344 - from absorbent or liquid- or gas-permeable materials
  • Y10S425/12 - Pottery appendage

• US Classifications

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