3688805

Information

• Patent Grant
• 3688805

• References
• Source

• Patent Number

  3,688,805

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • B29D5/06 - the interlocking members being formed by continuous helix
  • B21D53/50 - metal slide-fastener parts
  • Y10S425/814 - Zipper

• US Classifications

  • 139 - Textiles: weaving
  • 425 - Plastic article or earthenware shaping or treating: apparatus