3870452

Information

• Patent Grant
• 3870452

• References
• Source

• Patent Number

  3,870,452

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • B29C49/66 - Cooling by refrigerant introduced into the blown article
  • B29C2035/1616 - using liquids
  • B29C2035/165 - liquified gases
  • B29C2035/1675 - other than air
  • B29L2023/22 - Tubes or pipes

• US Classifications

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