741693

Information

• Patent Grant
• 741693

• References
• Source

• Patent Number

  741,693

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1903
  121 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