3729800

Information

• Patent Grant
• 3729800

• References
• Source

• Patent Number

  3,729,800

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • B29D5/06 - the interlocking members being formed by continuous helix
  • A44B19/12 - Interlocking member in the shape of a continuous helix
  • Y10S264/40 - Processes of coiling plastics
  • Y10S425/814 - Zipper
  • Y10T24/2525 - with mounting portion having structural formations complementary to stitching
  • Y10T29/5101 - Slide fastener or slide fastener element
  • Y10T29/53304 - Means to assemble teeth onto stringer

• US Classifications

  • 029 - Metal working
  • 425 - Plastic article or earthenware shaping or treating: apparatus