1374173

Information

• Patent Grant
• 1374173

• References
• Source

• Patent Number

  1,374,173

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1921
  103 years ago

• CPC

  • B27N3/28 - characterised by using extrusion presses
  • B28B3/10 - each charge of material being compressed against previously formed body
  • B28B13/02 - Feeding the unshaped material to moulds or apparatus for producing shaped articles

• US Classifications

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