3621267

Information

• Patent Grant
• 3621267

• References
• Source

• Patent Number

  3,621,267

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • D01H13/1633 - Electronic actuators
  • B65H63/0324 - using photo-electric sensing means
  • B65H2513/112 - of the yarn balloon
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 250 - Radiant energy
  • 057 - Textiles: spinning, twisting, and twining