2631509

Information

• Patent Grant
• 2631509

• References
• Source

• Patent Number

  2,631,509

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1953
  71 years ago

• CPC

  • B31B1/40 - acting internally
  • B29C53/48 - for articles of indefinite length
  • B31B2201/2645 - acting internally
  • Y10T156/1013 - and edge-joining of one piece blank to form tube

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 493 - Manufacturing container or tube from paper