3657904

Information

• Patent Grant
• 3657904

• References
• Source

• Patent Number

  3,657,904

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • A44B19/56 - while knitting the stringer tapes
  • D04B21/16 - incorporating synthetic threads
  • D04B23/14 - with provision for incorporating small auxiliary elements
  • D10B2501/0631 - Slide fasteners

• US Classifications

  • 066 - Textiles: knitting
  • 112 - Sewing