2165671

Information

• Patent Grant
• 2165671

• References
• Source

• Patent Number

  2,165,671

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • B28B21/82 - built-up from several parts Multiple moulds Moulds with adjustable parts
  • B28B21/40 - by evacuating one or more of the mould parts; Vacuum machines

• US Classifications

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