Segmental concrete stone unit

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Description

FIG. 1 is a top, front and right side perspective of a segmental concrete stone unit showing my new design;

FIG. 2 is a top plan view thereof, it being understood that the bottom is flat and unornamented.

FIG. 3 is a front side elevational view, it being understood that the rear side is a mirror image thereof; and,

FIG. 4 is a right side elevational view; it being understood that the left side is a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D312881 December 11, 1990 Naether
D328499 August 4, 1992 Hair
D343237 January 11, 1994 Johnson, II
D343238 January 11, 1994 Hair
D343460 January 18, 1994 Hair
1745113 January 1930 Odell
3494266 February 1970 Baumberger
3870423 March 1975 Peitz, Jr.
4128357 December 5, 1978 Barth et al.
4354773 October 19, 1982 Noack
4544305 October 1, 1985 Hair
4773790 September 27, 1988 Hagenah
4834575 May 30, 1989 Barth et al.
5046887 September 10, 1991 Fontana et al.
5108219 April 28, 1992 Hair
5244303 September 14, 1993 Hair
Foreign Patent Documents
233603 August 1987 EPX
1086958 February 1955 FRX
558171 February 1957 ITX
Other references
  • Rampf Formen, assorted tile designs, 1984. Besser Concrete Paving Stones, Manual No. 8601--Section 5: "Concrete Paving Stones", p. 24.
Patent History
Patent number: D431870
Type: Grant
Filed: Mar 1, 1999
Date of Patent: Oct 10, 2000
Inventor: Harold Charles Ziegler, Jr. (Cleves, OH)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert A. Delehanty
Attorney: Daniel B. Runk
Application Number: 0/101,232
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)
International Classification: 2501;