488995

Information

• Patent Grant
• 488995

• References
• Source

• Patent Number

  488,995

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1893
  132 years ago

• CPC

  • B29C47/84 - Heating or cooling the screws
  • B29C47/0009 - characterised by the shape of the articles
  • F28F5/06 - Hollow screw conveyors
  • Y10S165/148 - Auger

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration
  • 366 - Agitating
  • 425 - Plastic article or earthenware shaping or treating: apparatus