Plastic mullions

Claim 1

A REINFORCED PLASTIC MULLION TO BE APPLIED TO A WINDOW PANE, SAID PLASTIC MULLION HAVING A CONFIGURATION AND APPERANCE OF AN ORDINARY WINDOW MULLION, COMPRISING A FLAT FLEXIBLE STRIP ABOUT 1/16 OF AN INCH IN THICKNESS, MADE OF A SYNTHETIC PLASTIC MATERIAL, A DECORATIVE PIGMENT EMBODIED THEREIN, A PLURALITY OF PARALLEL, SPACIALLY SEPARATED REINFORCING GLASS FIBERS EMBEDDED IN SAID STRIP, EACH EXTENDING CONTINUOUSLY THROUGHOUT THE LENGTH THEREOF, THE RATIO OF THE CROSS-SECTIONAL AREA OF THE REINFORCING GLASS FIBERS TO THE TOTAL CROSS-SECTIONAL AREA OF THE STRIP BEING RELATIVELY LOW SO THAT THE STRIP WILL HAVE THE CHARACTERISTICS OF THE PLASTIC MATERIAL RATHER THAN THE CHARACTERISTICS OF THE REINFORCING GLASS FIBERS, SAID STRIP HAVING FROM FOUR TO NINE STRANDS OF GLASS FIBER YARN SUBSTANTIALLY EQUALLY SPACED FROM EACH OTHER PER ONE-HALF INCH OF WIDTH OF THE STRIP, THE APPROXIMATE DIAMETER OF THE FIBER STRANDS BEING SUCH THAT A STRAND 15,000 YARDS LONG WEIGHTS ABOUT ONE POUND, AND A COATING OF A PRESSURE-SENSITIVE ADHESIVE, CAPABLE OF ADHERING TO THE GLASS, APPLIED TO ONE SIDE OF THE STRIP FOR APPLYING THE STRIP TO THE SURFACE OF A WINDOW PANE.