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Classes 534 - 987

Class Date Established
534 1984
536 1976
540 1986
544 1977
546 1978
548 1977
549 1979
552 1989
554 1992
556 1980
558 1986
560 1977
562 1978
564 1980
568 1978
570 1980
585 1979
588 1992
600 1988
601 1994
602 1992
604 1982
606 1989
607 1993
623 1985
700 1999
701 1997
702 1998
703 2000
704 1997
705 1997
706 1998
707 1997
708 1999
709 1999
710 1999
711 1997
712 1999
713 1999
714 1999
715 2002
716 2000
717 2000
718 2003
719 2003
720 2004
725 2000
726 2005
800 1986
850 2009
901 1984
902 1988
903 2005
930 1990
968 1992
976 1991
977 2004
984 1992
987 1993
United States Patent and Trademark Office
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Last Modified: 7/1/2010 9:27:42 AM