3643071

Information

• Patent Grant
• 3643071

• References
• Source

• Patent Number

  3,643,071

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • G06M1/047 - for arithmetical operations
  • G06M1/041 - for drum-type indicating means
  • G06M1/104 - electromagnets, clicks
  • G06M1/163 - with drums
  • G06M3/14 - for registering difference of positive and negative actuations

• US Classifications

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