3337672

Information

• Patent Grant
• 3337672

• References
• Source

• Patent Number

  3,337,672

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1967
  57 years ago

• CPC

  • A44B19/10 - with a one-piece interlocking member on each stringer tape
  • B29D5/06 - the interlocking members being formed by continuous helix
  • Y10S425/814 - Zipper

• US Classifications

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