Glass block

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Description

FIG. 1 is a front view of the glass block;

FIG. 2 is a left side view of the glass block;

FIG. 3 is a right side view of the glass block;

FIG. 4 is a top plan view of the glass block; and

FIG. 5 is a bottom plan view of the glass block;

FIG. 6 is a front cross-sectional view of the glass block taken along lines VI--VI of FIG. 3 illustrating undulations upon the inner surface of the glass block, giving the glass block an undulating appearance; and,

FIG. 7 is a right side cross-sectional view of the glass block taken along lines VII--VII of FIG. 1 illustrating undulations upon the inner surface of the glass block, giving the glass block an undulating appearance.

Referenced Cited
U.S. Patent Documents
D31329 August 1899 McNeill
D109025 March 1938 Perkins
D300061 February 28, 1989 Hackelsberger
D311975 November 6, 1990 Hackelsberger
3017724 January 1962 Frank
Patent History
Patent number: D362310
Type: Grant
Filed: Apr 8, 1994
Date of Patent: Sep 12, 1995
Assignee: Pittsburgh Corning Corporation (Pittsburgh, PA)
Inventors: Harry A. Fleming (Smethport, PA), Ralph J. Harrison (Roulette, PA), Donald E. Hock (Olean, NY)
Primary Examiner: Doris Clark
Law Firm: Reed Smith Shaw & McClay
Application Number: 0/21,057
Classifications
Current U.S. Class: Transparent Or Translucent (D25/103)