2788230

Information

• Patent Grant
• 2788230

• References
• Source

• Patent Number

  2,788,230

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1957
  67 years ago

• CPC

  • G06K19/02 - characterised by the selection of materials
  • B42D12/025 - specially adapted for wages or salaries
  • B42D15/08 - Letter-cards or letter-sheets

• US Classifications

  • 462 - Books, strips, and leaves for manifolding
  • 229 - Envelopes, wrappers, and paperboard boxes
  • D19 - Office supplies