2987237

Information

• Patent Grant
• 2987237

• References
• Source

• Patent Number

  2,987,237

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  64 years ago

• CPC

  • B31B3/00 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs
  • B65D5/2061 - of triangular shape

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes