426849

Information

• Patent Grant
• 426849

• References
• Source

• Patent Number

  426,849

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1890
  134 years ago

• CPC

  • B42D25/25 - Public transport tickets
  • B42D25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features Manufacture thereof
  • Y10S283/901 - Concealed data

• US Classifications

  • 283 - Printed matter
  • 229 - Envelopes, wrappers, and paperboard boxes