3907424

Information

• Patent Grant
• 3907424

• References
• Source

• Patent Number

  3,907,424

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • G03G21/02 - Counting the number of copies Billing
  • G03B1/66 - Counting number of exposures

• US Classifications

  • 355 - Photocopying
  • 235 - Registers
  • 399 - Electrophotography