3830439

Information

• Patent Grant
• 3830439

• References
• Source

• Patent Number

  3,830,439

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • B65H54/48 - Grooved drums
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 242 - Winding, tensioning, or guiding