Method of making a hollow mold

Claim 1

THAT METHOD OF PREPARING A MOLD TO BE USED IN THE MANUFACTURE, BY THE SLUSH-MOLDING PROCEDURE, OF A BOOT, ONE SIDE, AT LEAST, OF WHOSE LEG HAS AN ALL-OVER ORNAMENTAL DESIGN, SAID METHOD COMPRISING AS STEPS: PROVIDING A BASIC BOOT OF APPROXIMATELY THE SIZE AND SHAPE OF THE BOOT TO BE MANUFACTURED BY THE USE OF THE INTENDED MOLD BUT WHICH IS SUBSTANTIALLY DEVOID OF ORNAMENTATION, STRETCHING THE LEG PORTION OF THE BOOT IN THE FRONT-TO REAR DIRECTION WHILE NARROWING IT TRANSVERSELY SO THAT IT BECOMES SUBSTANTIALLY RECTANGULAR IN HORIZONTAL SECTION, THE OUTER SURFACES OF THE RIGHT AND LEFT WALLS OF THE BOOT LEG BEING SUBSTANTIALLY PARALLEL AND FLAT, WHILE ITS FRONT AND REAR SURFACES ARE NARROWER THANT HE SIDE WALL SURFACES, EACH OF THE FLAT SIDE SURFACES BEING OF ADEQUATE EXTENT TO RECEIVE AND SUPPORT AN ALL-OVER DESIGN OF EXTENDED AREA, APPLIQUEING, TO AT LEAST ONE OF SAID FLAT SIDE SURFACES, ELEMENTS OF ORNAMENT OF SELECTED THICKNESS AND WHICH COLLECTIVELY FORM THE DESIRED DESIGN THUS CONSTITUTING A MODEL BOOT HAVING, ON ONE SIDE WALL AT LEAST, THE DESIRED ORNAMENTAL DESIGN IN RELIEF, ELECTROPLATING THE MODEL BOOT THUS PREPARED TO FORM A THIN METALLIC SHELL, AND REMOVING THE MODEL BOOT FROM THE SHELL THEREBY PRODUCING A HOLLOW METALLIC MOLD WHOSE SIDE WALLS ARE APPROXIMATELY FLAT, WHILE THE INNER SURFACE OF AT LEAST ONE OF SAID SIDE WALLS HAS CAVITIES CORRESPONDING IN SHAPE, SIZE AND LOCATION TO THE ELEMENTS OF ORNAMENT WHICH WERE APPLIQUED TO THE BASIC BOOT.