2817221

Information

• Patent Grant
• 2817221

• References
• Source

• Patent Number

  2,817,221

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1957
  67 years ago

• CPC

  • B29C55/00 - Shaping by stretching
  • B29C55/22 - of tubes
  • B29C55/30 - Drawing through a die
  • B29L2031/759 - Needles

• US Classifications

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