1539303

Information

• Patent Grant
• 1539303

• References
• Source

• Patent Number

  1,539,303

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1925
  99 years ago

• CPC

  • B28B5/025 - the moulds or the moulding surfaces being divided by separating walls and being continuously fed
  • B28B3/20 - wherein the material is extruded
  • Y10S264/12 - Molding styropor using steam probes continuous

• US Classifications

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