3733156

Information

• Patent Grant
• 3733156

• References
• Source

• Patent Number

  3,733,156

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1973
  52 years ago

• CPC

  • B29C44/0461 - by having different chemical compositions in different places
  • B29C44/0492 - Devices for feeding the different materials
  • B29C45/1606 - using a rotatable valve
  • B29C45/00 - Injection moulding

• US Classifications

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