3421712

Information

• Patent Grant
• 3421712

• References
• Source

• Patent Number

  3,421,712

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • D06B5/20 - through hanks
  • B65H54/50 - Slotted or split drums
  • B65H54/58 - Swifts or reels adapted solely for the formation of hanks or skeins
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 242 - Winding, tensioning, or guiding