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Patent Protection Ended

No. Patent No. Title
881. PI 87000218 TOY BUILDING BLOCK FOR CONSTRUCTION SET
882. PI 87000220 A FASTENER TAPE FOR DISPOSABLE DIAPER
883. PI 87000221 VESSEL PROSTHESIS IMPREGNATED WITH CROSSLINKED GELATIN AND PROCESS FOR THE PRODUCTION THEREOF
884. PI 87000222 HEAT SEALABLE BARRIER MATERIAL FOR IMPROVED JUICE PACKAGING (EVOH)
885. PI 87000223 NOVEL LAMINATES FOR PAPERBOARD CARTONS AND A PROCESS OF FORMING SAID LAMINATES
886. PI 87000225 IMPROVEMENTS IN OR RELATING TO DRIVES FOR CLOTHES WASHING MACHINES
887. PI 87000226 LOCKING MECHANISM WITH ACTUATOR
888. PI 87000227 HYDROPHILIC SURFACE-TREATING PROCESS FOR AN ALUMINIUM ARTICLE.
889. PI 87000228 COMPOSITION OF MATTER AND METHOD FOR CONVERSION OF C3 AND C4 HYDROCARBONS.
890. PI 87000229 AMINO SUGAR CARBONATING AGENTS AND THEIR PREPARATION.
891. PI 87000230 CABLE TERMINATION FOR PAPER-INSULATED THREE CORE MEDIUM VOLTAGE CABLES
892. PI 87000231 A MINIATURE MOTOR
893. PI 87000232 APPARATUS FOR CLOSING SLIDE FASTENER COUPLING ELEMENT CHAINS
894. PI 87000233 SLIDE FASTENER WITH THERMOPLASTIC END STOPS.
895. PI 87000234 TACK SHAPING APPARATUS
896. PI 87000235 METHOD FOR PREPARING CARBON FUEL FOR SMOKING ARTICLES AND PRODUCT PRODUCED THEREBY
897. PI 87000236 ALPHA-SULFO-FATTY ACID ESTER AND/OR AMIDE SALT(S) DETERGENT LAUNDRY BARS AND PROCESSES FOR MANUFACTURE THEREOF.
898. PI 87000237 ALPHA-SULFO-HIGHER FATTY ACID-LOWER ALCOHOL ESTER- AND AMIDE-BASED DETERGENT LAUNDRY BARS AND PROCESS FOR MANUFACTURE THEREOF.
899. PI 87000238 ALKYL ETHOXYLATE SULFATE DETERGENT LAUNDRY BARS AND PROCESSES FOR MANUFACTURE THEREOF.
900. PI 87000239 HIGHER FATTY ALCOHOL SULFATE - HIGHER FATTY ALCOHOL ETHOXYLATE SULFATE DETERGENT LAUNDRY BARS AND PROCESS FOR MANUFACTURE THEREOF