3485948

Information

• Patent Grant
• 3485948

• References
• Source

• Patent Number

  3,485,948

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1969
  55 years ago

• CPC

  • G09C1/14 - involving removable or interchangeable coding numbers
  • H04L9/38 - Encryption being effected by mechanical apparatus

• US Classifications

  • 380 - Cryptography
  • 341 - Coded data generation or conversion