3304844

Information

• Patent Grant
• 3304844

• References
• Source

• Patent Number

  3,304,844

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1967
  58 years ago

• CPC

  • B31F1/0064 - using internal forming surfaces, on
  • B31F1/0067 - using only external forming surfaces
  • B31F1/007 - for making articles with multilayered walls

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 012 - Boot and shoe making