3921875

Information

• Patent Grant
• 3921875

• References
• Source

• Patent Number

  3,921,875

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • G06M3/021 - with drums type indicating means
  • G07C3/10 - using counting means

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems