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Patent Protection Ended

No. Patent No. Title
3761. PI 88000554 METHOD AND APPARATUS FOR DISCHARGING SPOOLS
3762. PI 88000555 STRETCHABLE SLIDE FASTENER
3763. PI 88000556 CARBON RIBBON SUPPLY APPARATUS FOR A PRINTER
3764. PI 88000557 PANEL
3765. PI 88000558 ARRANGEMENT FOR HOLDING A PRINTED CIRCUIT BOARD FIXED TO A FRAME.
3766. PI 88000559 SOFT FINISHING AGENT
3767. PI 88000560 INFANT FORMULAS AND NUTRITION PRODUCTS ENRICHED WITH NUCLEOSIDES AND/OR NUCLEOTIDES AND PROCESSES FOR PREPARATION
3768. PI 88000561 NEW 5-(W-AMMONIO ACYLOXY METHYLENE) TETRAHYDROFURANS AND TETRAHYDROTHIOPHENES
3769. PI 88000562 NEW 5-METHOXY ALKYL AMMONIUM TETRAHYDROFURANS AND TETRAHYDROTHIOPHENES
3770. PI 88000563 PROBE FOR DETERMINATION OF GAS CONCENTRATION IN MOLTEN METAL
3771. PI 88000564 FILTER FOR TOBACCO SMOKING
3772. PI 88000565 NOVEL FLAVOR/AROMA POLYCARBONATE BARRIER LAMINATES FOR PAPERBOARD CARTONS AND A PROCESS OF FORMING SAID LAMINATES
3773. PI 88000566 IMPROVEDMENTS RELATING TO THE MANUFACTURE OF TOBACCO SMOKE FILTERS
3774. PI 88000567 IMPROVEMENTS RELATING TO THE EXPANSION OF TOBACCO
3775. PI 88000568 PROCESS FOR PREPARING A BINDER BASED ON BITUMEN AND POLYMERS
3776. PI 88000569 ANTI VIRAL NUCLEOSIDES AND DERIVATIVES THEREOF
3777. PI 88000571 PRESSURE REGULATING VALVE
3778. PI 88000573 DISPLAY SYSTEM UTILISTING LIGHT TRANSMITTING SCREEN AND METHOD OF MANUFACTURING SAME
3779. PI 88000575 SUCTION PICK-UP APPARATUS FOR ELECTRICAL OR ELECTRONIC COMPONENTS
3780. PI 88000576 PROCESS AND APPARATUS FOR MANUFACTURINFG A COMPOSITE ARTICLE OF CONSTANT SECTION COMPRISING A CORE AND AN OUTER COVER, AND COMPOSITE ARTICLE RESULTING THEREFORM