Spacer joint for use in a block wall

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Description

FIG. 1 is a perspective view of a spacer joint for use in a block wall showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a fragmentary side elevational view thereof;

FIG. 4 is a fragmentary top plan view thereof;

FIG. 5 is a perspective view of a second embodiment of a spacer joint for use in a block wall showing my new design;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a fragmentary side elevational view thereof; and,

FIG. 8 is a fragmentary top plan view thereof.

Referenced Cited
U.S. Patent Documents
D323896 February 11, 1992 Alcazar
1425102 August 1922 Keppler
1686161 October 1928 Liese
2115513 April 1938 Bauer
2141000 December 1938 Hohl
2156623 May 1939 Eastus
2216220 October 1940 Baker
2227842 January 1941 Polivka
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2281524 April 1942 Meyers
2303844 December 1942 Knudsen
2306320 December 1942 Rapp
2318362 May 1943 Boeglen et al.
2346170 April 1944 Kalkusch
2532478 December 1950 Bridges
2835523 May 1958 Vincent et al.
3234699 February 1966 Smith
3422588 January 1969 Stewart, Jr.
3531346 September 1970 Jameson
3630814 December 1971 Arnold
3798861 March 1974 Weiss
4023319 May 17, 1977 Kurata
4058943 November 22, 1977 Sturgill
4441291 April 10, 1984 Sokoler et al.
4648226 March 10, 1987 Manon
4774793 October 4, 1988 Mayer
4959937 October 2, 1990 Mayer
4965975 October 30, 1990 Schwarz
Foreign Patent Documents
1401279 October 1965 FRX
1148528 August 1966 GBX
Other references
  • "PC Glass Block, Panels, Walls, Windows, Exterior and Interior Applications" by Pittsburgh Corning Corporation, Dec. 1983. "Glass Block" by Pittsburgh Corning Corporation, Mar. 1978.
Patent History
Patent number: D331469
Type: Grant
Filed: Aug 31, 1990
Date of Patent: Dec 1, 1992
Assignee: Pittsburgh Corning Corporation (Pittsburgh, PA)
Inventor: Robert M. McMarlin (Murrysville, PA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Attorney: Stanley Price, Jr.
Application Number: 7/575,889