3813212

Information

• Patent Grant
• 3813212

• References
• Source

• Patent Number

  3,813,212

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • B29C59/085 - of profiled articles
  • B29C47/8805 - Heating
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0038 - Combined shaping operations
  • B29L2023/22 - Tubes or pipes

• US Classifications

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