3436530

Information

• Patent Grant
• 3436530

• References
• Source

• Patent Number

  3,436,530

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1969
  55 years ago

• CPC

  • G07F7/02 - by keys or other credit registering devices
  • G06Q20/343 - Cards including a counter
  • G07C3/045 - Mechanical counters or clocks
  • G07C3/08 - Registering or indicating the production of the machine either with or without registering working or idle time

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • D18 - Printing and office machinery