3730664

Information

• Patent Grant
• 3730664

• References
• Source

• Patent Number

  3,730,664

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • B29C45/44 - for undercut articles
  • B29C33/485 - cores or mandrels
  • B29C45/2622 - for moulding interrupted screw threads
  • B29L2031/565 - for containers

• US Classifications

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