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Patent Protection Ended

No. Patent No. Title
5701. PI 89001771 AIR-CONDITIONING SYSTEM OF A PACHINKO ISLE.
5702. PI 89001772 CELLULOSIC FIBROUS AGGREGATE AND A PROCESS FOR ITS PREPARATION
5703. PI 89001773 STEM PROTECTING BASE FOR CATHODE RAY TUBE.
5704. PI 89001774 MANUFACTURING METHOD FOR ELECTRODE OF ELECTRON GUN OF CATHODE RAY TUBE
5705. PI 89001775 MANUFACTURING METHOD FOR ELECTRODE OF ELECTRON GUN OF CATHODE RAY TUBE
5706. PI 89001776 GRAPHITE SUSPENSION SPREADING DEVICE FOR USE IN FORMATION OF BLACK MATRICES OF COLOR PICTURE TUBE.
5707. PI 89001777 SALVAGING METHOD FOR PHOSPHOR LAYER OF PANEL OF COLOR PICTURE TUBE.
5708. PI 89001778 SUBSTITUTED ALKENES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS PESTICIDES.
5709. PI 89001779 CLEANING DEVICE FOR SEALING PORTION OF PANEL OF COLOR CATHODE RAY TUBE.
5710. PI 89001781 METHOD OF AND APPARATUS FOR DYEING OR OTHERWISE TREATING AN ELONGATE FABRIC MATERIAL.
5711. PI 89001784 FIBRILS
5712. PI 89001785 ROTARY CUP INFEED
5713. PI 89001787 METHOD OF MAKING ORNAMENTS.
5714. PI 89001788 AUTOMATIC FREQUENCY CONTROL IN THE PRESENCE OF DATA.
5715. PI 89001789 DIGITAL AUTOMATIC FREQUENCY CONTROL ON PURE SINE WAVES.
5716. PI 89001790 JOINT STRUCTURE FOR MULTIPLE WINDOW
5717. PI 89001791 MACROLIDE COMPOUNDS.
5718. PI 89001793 DISPERSIONS.
5719. PI 89001795 AZEOTROPE-LIKE COMPOSITIONS OF 1,1,2-TRICHLORO-1,2,2- TRIFLUOROETHANE, METHANOL, NITROMETHANE 1,2- DICHLOROETHYLENE AND HEXANE
5720. PI 89001796 FRAME SUPPORTING SPRING FOR COLOR CATHODE RAY TUBE.