2293036

Information

• Patent Grant
• 2293036

• References
• Source

• Patent Number

  2,293,036

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1942
  82 years ago

• CPC

  • B31B19/26 - and having means for folding sheets, blanks, or webs
  • B31B25/00 - Machinery characterised by making pointed or tapered envelopes or bags
  • B65D3/06 - essentially conical or frusto-conical
  • B31B2219/26 - Folding sheets or webs
  • B31B2221/25 - the bags being of pointed or tapered shape

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes