3660642

Information

• Patent Grant
• 3660642

• References
• Source

• Patent Number

  3,660,642

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  52 years ago

• CPC

  • G06M1/02 - Housing
  • G06M1/044 - with escapements
  • G06M1/104 - electromagnets, clicks
  • G06M1/303 - with drums
  • G06M1/323 - with drums

• US Classifications

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