2770864

Information

• Patent Grant
• 2770864

• References
• Source

• Patent Number

  2,770,864

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1956
  68 years ago

• CPC

  • B28B1/503 - Moulds therefor
  • B28B7/0058 - Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby
  • Y10S425/119 - Perforated or porous

• US Classifications

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