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First Claim
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1. A LIGHTING PANEL COMPRISING A TRANSPARENT PRISMATIC PLATE WITH ONE PRISMATIC SURFACE AND AN OPPOSITE SMOOTH PLANAR SURFACE AND A DIFFUSION FILM OVERLYING SAID PLANAR SURFACE, BONDED THERETO IN SPACED BONDED AREAS AND SPACED THEREFROM INTERMEDIATE SAID BOUNDED AREAS, SAID BONDED AREAS CONSTITUTING A MINOR PART OF THE TOTAL AREA OF THE PLATE OVERLAIN BY SAID FILM.
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1 Claim
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1. A LIGHTING PANEL COMPRISING A TRANSPARENT PRISMATIC PLATE WITH ONE PRISMATIC SURFACE AND AN OPPOSITE SMOOTH PLANAR SURFACE AND A DIFFUSION FILM OVERLYING SAID PLANAR SURFACE, BONDED THERETO IN SPACED BONDED AREAS AND SPACED THEREFROM INTERMEDIATE SAID BOUNDED AREAS, SAID BONDED AREAS CONSTITUTING A MINOR PART OF THE TOTAL AREA OF THE PLATE OVERLAIN BY SAID FILM.
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Current AssigneeLeo G. Stahlhut
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Original AssigneeLeo G. Stahlhut
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InventorsStahlhut, Leo G.
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Application NumberUS04/399,237Time in Patent Office795 DaysField of SearchUS Class Current362/330CPC Class CodesC09K 11/025 non-luminescent particle co...F21V 3/00 Globes; Bowls; Cover glasse...F21V 5/00 Refractors for light source...F21Y 2103/00 Elongate light sources, e.g...
