3897021

Information

• Patent Grant
• 3897021

• References
• Source

• Patent Number

  3,897,021

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  49 years ago

• CPC

  • B65H54/36 - Yarn-guide advancing or raising mechanisms
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 242 - Winding, tensioning, or guiding