3676543

Information

• Patent Grant
• 3676543

• References
• Source

• Patent Number

  3,676,543

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1972
  52 years ago

• CPC

  • B29C57/125 - using tools with helical grooves

• US Classifications

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