2585756

Information

• Patent Grant
• 2585756

• References
• Source

• Patent Number

  2,585,756

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1952
  72 years ago

• CPC

  • B28B21/22 - using rotatable mould or core parts
  • B28B21/16 - one or more mould elements
  • B28B21/40 - by evacuating one or more of the mould parts; Vacuum machines

• US Classifications

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