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Patent Protection Ended

No. Patent No. Title
201. PI 86000230 DIFLUOROBENZODIOXYL CYANOPYRROLE DERIVATIVES AND COMPOSITION CONTAINING THE SAME
202. PI 86000231 FUEL SUPPLYING APPARATUS
203. PI 86000232 A METHOD FOR CONTROLLING THE PRESSURE RATIO OF A JET PUMP.
204. PI 86000233 RETRACTABLE COVER
205. PI 86000234 IMPROVEMENTS IN AND RELATING TO CLOSURES
206. PI 86000235 A RAZOR ASSEMBLY
207. PI 86000236 DURABLE SPUTTERED FILMS OF METAL ALLOY OXIDES.
208. PI 86000237 COMPRESSING AND GRINDING APPARATUS
209. PI 86000239 INSITU HAZARDOUS WASTE TREATING APPARATUS AND METHOD OF USING SAME.
210. PI 86000240 PROCESS FOR THE RECOVERY OF TIN FROM OXIDE OR OXIDE/SULPHIDE STARTING MATERIALS/CONCENTRATES WHICH CONTAIN LITTLE TIN
211. PI 86000241 A BREAD OR OTHER CEREAL-BASED FOOD IMPROVER COMPOSITION
212. PI 86000242 BASE ELEMENT FOR THE PRODUCTION OF PANELS FOR A TOY CONSTRUCTION SYSTEM.
213. PI 86000244 DISC-DRIVE-COMPATIBLE MAGNETIC TAPE CARTRIDGES.
214. PI 86000247 A NEW METHOD FOR THE OXIDATION OF AN OXIDIZABLE CHARGE IN THE GASEOUS PHASE AND A REACTOR FOR IMPLEMENTING THIS METHOD.
215. PI 86000248 REGULATOR FAULT PROTECTION CIRCUIT
216. PI 86000249 DIGITAL TELEVISION SYSTEM WITH TRUNCATION ERROR CORRECTION
217. PI 86000250 APPARATUS FOR GENERATING A SET OF COLOR MIXTURE SIGNALS ASSOCIATED WITH A SET OF COORDINATE AXES FROM A PAIR OF QUADRATURE RELATED COLOR MIXTURE SIGNALS ASSOCIATED WITH A DIFFERENT SET OF COORDINATE AXES.
218. PI 86000251 METHOD AND APPARATUS FOR LIQUEFYING FUSIBLE MATERIAL SUCH AS GLASS
219. PI 86000252 APPARATUS FOR HEATING MATERIAL,PARTICULARLY FOR LIQUEFYING GLASS BATCH MATERIAL
220. PI 86000256 BAG HOLDING DEVICE