526274

Information

• Patent Grant
• 526274

• References
• Source

• Patent Number

  526,274

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1894
  130 years ago

• CPC

  • B28B11/161 - in vertically operating extrusion presses
  • B29C47/0004 - characterised by the choice of material
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus