Little Giant Industries, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4566150 Ladder hinge and multi-position locking mechanism thereforExpiredOct 03, 83Jan 28, 86[E05D]
4502566 Wall stand-off apparatusExpiredMar 28, 83Mar 05, 85[E06C]
4407045 Ladder hinge and multi-position locking mechanism thereforExpiredDec 21, 81Oct 04, 83[F16C, E05D]
4376470 Fiberglass ladderExpiredNov 07, 80Mar 15, 83[E06C]
4371055 Method of manufacturing a fiberglass ladderExpiredNov 07, 80Feb 01, 83[E06C]
4298093 SawhorseExpiredNov 16, 78Nov 03, 81[F16M, E04G]
4182431 Combination extension and step ladder rungs thereforExpiredMar 13, 78Jan 08, 80[E06C]

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