3021568

Information

• Patent Grant
• 3021568

• References
• Source

• Patent Number

  3,021,568

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  62 years ago

• CPC

  • B29C45/27 - Sprue channels Runner channels or runner nozzles
  • B29C2045/2795 - Insulated runners

• US Classifications

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