Paving stone

- CRH Oldcastle, Inc.
Description

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

FIG. 2 is a top plan view of the paving stone of FIG. 1;

FIG. 3 is a right side view of the paving stone of FIG. 1;

FIG. 4 is a front elevational view of the paving stone of FIG. 1;

FIG. 5 is a bottom plan view of the paving stone of FIG. 1;

FIG. 6 is a left side view of the paving stone of FIG. 1;

FIG. 7 is a rear elevational view of the paving stone of FIG. 1;

FIG. 8 is a perspective view of a second embodiment of a right-angled paving stone having partial octagonal cut-outs, and a chamfered upper edge;

FIG. 9 is a top plan view of the paving stone of FIG. 8;

FIG. 10 is a right side view of the paving stone of FIG. 8;

FIG. 11 is a front elevational view of the paving stone of FIG. 8;

FIG. 12 is a bottom plan view of the paving stone of FIG. 8;

FIG. 13 is a left side view of the paving stone of FIG. 8; and,

FIG. 14 is a rear elevational view of the paving stone of FIG. 8.

The fragmentary shading shown on the top and bottom of the paving stone in FIGS. 1, 2, 5, 8, 9 and 12 represents a roughened surface and is understood to be repeated throughout the top and bottom surfaces shown.

Referenced Cited
U.S. Patent Documents
225945 March 1880 Perchment
449739 April 1891 Hazelton
480879 August 1892 Stevenson
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.
4997308 March 5, 1991 Welling, Jr.
5496129 March 5, 1996 Dube
Foreign Patent Documents
14691 June 1946 CAX
Other references
  • McCauley Limited brochure, Rainstone 1 Block, 2 pages, 1992. 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. Borgwardt, Sonke, Concrete Precasting Plant and Technology, "Performance and Fields of Application for Permeable Paving Systems", Feb. 1997, pp. 100-105.
Patent History
Patent number: D426317
Type: Grant
Filed: Jul 7, 1999
Date of Patent: Jun 6, 2000
Assignee: CRH Oldcastle, Inc. (Atlanta, GA)
Inventor: John Alfred Fifield (Aylesbury)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Law Firm: Akin, Gump, Strauss, Hauer & Feld, L.L.P.
Application Number: 0/107,814
Classifications
Current U.S. Class: Perforated Or Openwork (18) (D25/114)
International Classification: 2501;