009Electrical and scientific apparatus
U.S Class(es): 021, 023, 026, 036, 038
Class Status: Active
016Paper goods and printed matter
U.S Class(es): 002, 005, 022, 023, 029, 037, 038, 050
Class Status: Active
041Education and entertainment
U.S Class(es): 100, 101, 107
Class Status: Active
042Computer, scientific and legal
U.S Class(es): 100, 101
Class Status: Active