3862591

Information

• Patent Grant
• 3862591

• References
• Source

• Patent Number

  3,862,591

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1975
  50 years ago

• CPC

  • B31C5/00 - Forming tubes or pipes of paper or cardboard without mandrels
  • Y10S242/03 - Coreless coilers

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 242 - Winding, tensioning, or guiding