Paving stone

- CRH Oldcastle, Inc.

FIG. 1 is a perspective view of a paving stone having partial octagonal cut-outs showing my new design;

FIG. 2 is a top plan view, the bottom being a mirror image thereof;

FIG. 3 is a right side view, the left being a mirror image thereof;

FIG. 4 is a front view, the rear view being a mirror image thereof;

FIG. 5 is a perspective view of a paving stone showing a second embodiment of my new design having partial octagonal cut-outs and a chamfered upper edge;

FIG. 6 is a top plan view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a front view, the rear being a mirror image thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is a left side view thereof.

The fragmentary shading shown on the top and bottom of the paving stone in FIGS. 1, 2, 5, 6 and 9 represents a roughened surface and is understood to be repeated throughout the top and bottom surfaces shown.

Referenced Cited
U.S. Patent Documents
449739 April 1891 Hazelton
1560174 November 1925 Gaisman
1981324 November 1934 Peterson
1984393 December 1934 Brown
2881613 April 1959 Taylor et al.
3597928 August 1971 Pilaar
4094380 June 13, 1978 Kobayashi et al.
4834575 May 30, 1989 Barth et al.
5496129 March 5, 1996 Dube
Foreign Patent Documents
14691 June 1946 CAX
Other references
  • McCauley Limited brochure, Rainstone 1 Block, 2 pages, 1992. Borgwardt, Sonke, Concrete Precasting Plant and Technology, "Performance and Fields of Application for Permeable Paving Systems", Feb. 1997, pp. 100-105. Uni-Group U.S.A., "The Environmentally Beneficial Paving System", Uni-Eco Stone brochure, 1993. "Super Decor" interlocking paving stone, p. 11: Sweet's General Building and Renovation Catalog, vo. 3, 1993; Anchor Concrete Products Inc., Buyline 6518, 04200/ANC.
Patent History
Patent number: D423114
Type: Grant
Filed: May 27, 1997
Date of Patent: Apr 18, 2000
Assignee: CRH Oldcastle, Inc. (Atlanta, GA)
Inventor: John Alfred Fifield (Aylesbury)
Primary Examiner: Doris Clark
Assistant Examiner: Robert Delehanty
Law Firm: Panitch Schwarze Jacobs & Nadel, P.C.
Application Number: 0/71,844
Current U.S. Class: Symmetrical (D25/115)
International Classification: 2501;