3577588

Information

• Patent Grant
• 3577588

• References
• Source

• Patent Number

  3,577,588

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1971
  53 years ago

• CPC

  • B29C47/46 - using screws extruding in opposite directions
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes