3924841

Information

• Patent Grant
• 3924841

• References
• Source

• Patent Number

  3,924,841

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1975
  49 years ago

• CPC

  • B29C47/38 - using screws surrounded by a cooperating barrel
  • B29C47/46 - using screws extruding in opposite directions
  • B29C47/58 - Details
  • B29C47/60 - Screws
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 366 - Agitating
  • 198 - Conveyors: power-driven
  • 425 - Plastic article or earthenware shaping or treating: apparatus