3358331

Information

• Patent Grant
• 3358331

• References
• Source

• Patent Number

  3,358,331

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1967
  57 years ago

• CPC

  • B29C57/125 - using tools with helical grooves

• US Classifications

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