3690800

Information

• Patent Grant
• 3690800

• References
• Source

• Patent Number

  3,690,800

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • B29C45/28 - Closure devices therefor
  • B29C44/425 - Valve or nozzle constructions; Details of injection devices
  • Y10S264/83 - Injection molding of polyolefin-type foam

• US Classifications

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