3861617

Information

• Patent Grant
• 3861617

• References
• Source

• Patent Number

  3,861,617

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  50 years ago

• CPC

  • D05B63/00 - Devices associated with the loop-taker thread
  • B65H54/18 - forming spools to be loaded into sewing, lace, embroidery, or like machines
  • D05B59/00 - Applications of bobbin-winding or -changing devices Indicating or control devices associated therewith
  • B65H2701/31 - Textiles threads or artificial strands of filaments
  • D05B57/143 - Vertical axis type

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 112 - Sewing