3169331

Information

• Patent Grant
• 3169331

• References
• Source

• Patent Number

  3,169,331

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1965
  59 years ago

• CPC

  • G06M1/38 - for varying ratio of drive or transfer mechanism

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 235 - Registers