Concrete block

Description

FIG. 1 is a front perspective of a concrete block cast with a concave-convex decorative face;

FIG. 2 is a rear perspective of a concrete block cast with a concave-convex decorative face;

FIG. 3 is a front perspective of a concrete block with a cleaved decorative face bounded by concave cast portions; and,

FIG. 4 is a rear perspective of a concrete block with a cleaved decorative face bounded by concave cast portions.

Referenced Cited
U.S. Patent Documents
D136928 December 1943 Esson
D298463 November 8, 1988 Forsberg
D305574 January 16, 1990 Sakata
D311444 October 16, 1990 Forsberg
D316904 May 14, 1991 Forsberg
1534060 April 1925 Dexter
2061631 November 1936 Lan
2881613 April 1959 Taylor et al.
4738059 April 19, 1988 Dean, Jr.
4798499 January 17, 1989 Yamada
4802320 February 7, 1989 Forsberg
Other references
  • Balcon, Inc. brochure page, dated 1984, top left side of page stone labeled 4.
Patent History
Patent number: D359811
Type: Grant
Filed: May 24, 1993
Date of Patent: Jun 27, 1995
Inventor: Robert N. Nerison (Bloomington, MN)
Primary Examiner: Doris Clark
Application Number: 0/8,694
Classifications