Simulated divided transparent sheet and method of making the same

Claim 2

A TRANSPARENT ONE-PIECE GLASS ELEMENT OF A CONTINUOUS SIMILAR COMPOSITION FOR TRANSMITTING LIGHT THERETHROUGH AND HAVING A PLANAR FRONT AND BACK, SAID ELEMENT HAVING INTERSECTING GROOVES ON THE BACK OF THE ELEMENT DIVIDING THE ELEMENT INTO A PLURALITY OF SECTIONS, SAID GROOVES HAVING A GENERALLY SHALLOW U-SHAPED CROSS SECTION WITH EDGE FISSURES EXTENDING LATERALLY INWARDLY FROM THE EDGES OF THE GROOVES, AND AN OPAQUE LEAD COLORED MATERIAL COATING THE GROOVE INCLUDING THE EDGE FISSURES TO PREVENT TRANSMISSION OF LIGHT THROUGH THE GROOVE WHILE TRANSMITTING THE LIGHT THROUGH THE ADJACENT PORTIONS, SAID GROOVES STIMULATING LEAD STRIPS WHEREBY THE ADJACENT SECTIONS APPEAR AS SEPARATE SUB-ELEMENTS AND REALISTICALLY SIMULATE A STAINED GLASS SEPARATION.

Claim 3

IN A METHOD OF FORMING A SIMULATED STAINED GLASS UNIT OF AN INTERIOR SINGLE COMPOSITION, SAID UNIT COMPRISING A PLURALITY OF SIMULATED SEPARATE GLASS PIECES HELD TOGETHER BY SIMULATED LEAD SEPARATION STRIPS, COMPRISING THE STEPS OF COVERING ONE SIDE OF THE SHEET WITH A PROTECTIVE COVER OF ACID RESISTANT MATERIAL, EXPOSING ONLY THOSE AREAS CORRESPONDING TO THE LEAD SEPARATION STRIPS, APPLYING ACID OVER THE COVERED SIDE AND THEREBY ACID ETCHING GROOVES ON THE ONE SIDE OF THE GLASS SHEET IN ACCORDANCE WITH THE LEAD SEPARATION STRIPS TO BE SIMULATED, SAID ACID ETCHING CREATING A GROOVE HAVING A GENERALLY U-SHAPED CROSS SECTION HAVING LATERALLY EXTENDING EDGE FISSURES, APPLYING AN OPAQUE LEAD-COLORED MEDIUM WITHIN THE GROOVES INCLUDING THE EDGE FISSURES AND THEREBY SIMULATING A LEAD STRIP.

Claim 4

IN A METHOD OF FORMING A SIMULATED STAINED GLASS UNIT OF AN INTERIOR SINGLE COMPOSITION, SAID UNIT COMPRISING A PLURALITY OF SIMULATED SEPARATE GLASS PIECES HELD TOGETHER BY SIMULATED LEAD SEPARATION STRIPS, COMPRISING THE STEPS OF COVERING ONE SIDE OF THE SHEET WITH A PROTECTIVE COVER OF ACID RESISTANT MATERIAL, EXPOSING ONLY THOSE AREAS CORRESPONDING TO THE LEAD SEPARATION STRIPS, APPLYING ACID OVER THE COVERED SIDE AND THEREBY ACID ETCHING GROOVES ON THE ONE SIDE OF THE GLASS SHEET IN ACCORDANCE WITH THE LEAD SEPARATION STRIPS TO BE SIMULATED, SAID ACID ETCHING CREATING A GROOVE HAVING A GENERALLY U-SHAPED CROSS SECTION HAVING LATERALLY EXTENDING EDGE FISSURES, APPLYING AN OPAQUE LEAD-COLORED MEDIUM WITHIN THE GROOVES INCLUDING THE EDGE FISSURES AND THEREBY SIMULATING A LEAD STRIP.