3872282

Information

• Patent Grant
• 3872282

• References
• Source

• Patent Number

  3,872,282

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • G07F7/02 - by keys or other credit registering devices
  • B41L39/02 - Indicating devices
  • B67D7/228 - using digital counting
  • G03G21/02 - Counting the number of copies Billing
  • G06Q20/343 - Cards including a counter
  • G07C3/10 - using counting means

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
  • 222 - Dispensing
  • 399 - Electrophotography