2573440

Information

• Patent Grant
• 2573440

• References
• Source

• Patent Number

  2,573,440

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1951
  74 years ago

• CPC

  • B29C47/28 - Cross-head annular extrusion nozzles
  • B29C47/6043 - having grooves or cavities
  • B29C47/688 - surrounding a rotating screw
  • B29C47/0009 - characterised by the shape of the articles

• US Classifications

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