HAAS, SANDRA, TRUSTEE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5719828 Patterned indicatorsExpiredOct 22, 90Feb 17, 98[G04B]
5058088 Time indicatorExpiredJan 04, 90Oct 15, 91[G04B, G01N]
D314984 HangtagExpiredFeb 04, 88Feb 26, 91[]
4925716 Pin feed badgeExpiredJan 12, 89May 15, 90[B32B]
4903254 Time indicator enhancement methodExpiredAug 31, 89Feb 20, 90[G04B, G01N]
4779120 Light sensitive validating identification badge systemExpiredSep 10, 85Oct 18, 88[G03B]
D286894 Combined writing board and penExpiredDec 22, 83Nov 25, 86[]
4605246 Writing boardExpiredDec 18, 84Aug 12, 86[B42F, B42D]
4542982 Light sensitive validating identification badge systemExpiredFeb 01, 84Sep 24, 85[G03B]
4432630 Light sensitive validating identification badge systemExpiredOct 21, 80Feb 21, 84[G03B]

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