21186

Information

• Patent Grant
• 21186

• References
• Source

• Patent Number

  21,186

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1858
  166 years ago

• CPC

  • B28B13/0215 - Feeding the moulding material in measured quantities from a container or silo
  • B29C47/0009 - characterised by the shape of the articles
  • B29C47/52 - using rollers or discs
  • Y10T137/3043 - Successively opened valves

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 137 - Fluid handling