BOISE CASCADE CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5323836 Modular portable display screenExpiredMar 13, 92Jun 28, 94[A47G]
5167994 Reusable core for paper rollsExpiredApr 19, 91Dec 01, 92[F16L]
5032286 Pulp mill effluent color removal processExpiredOct 16, 89Jul 16, 91[C02F]
4886576 Method and apparatus for producing uniform pulp yields by controlling the operation of a refinerExpiredDec 16, 87Dec 12, 89[D21B, D21D, D21C]
4874521 Pulp mill effluent color removal processExpiredOct 18, 88Oct 17, 89[C02F]
4784270 Corner post for shipping containerExpiredApr 28, 87Nov 15, 88[B65D]
4747911 Apparatus for measuring diagonal and simplex paper curlExpiredOct 23, 86May 31, 88[G01B]
4659604 Adhesive/nail plate truss assemblyExpiredFeb 20, 86Apr 21, 87[B32B]
4585143 Liquid containerExpiredJan 25, 84Apr 29, 86[B65D]
4545482 U-Shaped support pad for appliances and the likeExpiredApr 10, 84Oct 08, 85[B65D]
4492044 Pocket ventilation roll baffle assemblyExpiredAug 19, 83Jan 08, 85[F26B]
4435237 Method for forming multi-flute-layer corrugated boardExpiredAug 18, 78Mar 06, 84[B31F]
4416410 Sandpaper roll dispenserExpiredJun 03, 82Nov 22, 83[B65D]
4413459 Laminated wooden structural assemblyExpiredMar 16, 81Nov 08, 83[E04C]
4399972 Portable support platformExpiredApr 13, 81Aug 23, 83[B65D]
4337202 Process of making L-gulono gamma lactoneExpiredApr 16, 81Jun 29, 82[C07D]
4279788 Aqueous polyisocyanate-lignin adhesiveExpiredApr 18, 80Jul 21, 81[C08H, C08L]
4259885 Facing and journal turning machineExpiredJun 29, 79Apr 07, 81[B23B]
4241892 Appliance skidboard and method of makingExpiredAug 31, 79Dec 30, 80[B65D]
4208350 Separating phenols from alkaline pulping spent liquorsExpiredMar 06, 78Jun 17, 80[C07C]

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