2783691

Information

• Patent Grant
• 2783691

• References
• Source

• Patent Number

  2,783,691

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1957
  67 years ago

• CPC

  • B31C9/00 - Simultaneous forming of cylindrical and conical shapes by winding separate webs

• US Classifications

  • 493 - Manufacturing container or tube from paper