3226844

Information

• Patent Grant
• 3226844

• References
• Source

• Patent Number

  3,226,844

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1966
  59 years ago

• CPC

  • G09C5/00 - Ciphering apparatus or methods not provided for in the preceding groups
  • G09C1/14 - involving removable or interchangeable coding numbers

• US Classifications

  • 380 - Cryptography
  • 283 - Printed matter