3721393

Information

• Patent Grant
• 3721393

• References
• Source

• Patent Number

  3,721,393

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  52 years ago

• CPC

  • B65H67/056 - having two or more winding heads arranged in series with each other
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 242 - Winding, tensioning, or guiding