2308538

Information

• Patent Grant
• 2308538

• References
• Source

• Patent Number

  2,308,538

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1943
  81 years ago

• CPC

  • B31C5/00 - Forming tubes or pipes of paper or cardboard without mandrels

• US Classifications

  • 493 - Manufacturing container or tube from paper