Revetment block

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Description

FIG. 1 is a perspective view of a revetment block according to my new design, the broken line showing of additional revetment blocks encased in a fabric sheet is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 3 is a front side elevational view thereof, the back side elevational view being a mirror image thereof; and,

FIG. 4 is a top plan view thereof, the bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3375667 April 1968 Hard
3597928 August 1971 Pilaar
4135843 January 23, 1979 Umemoto et al.
4372705 February 8, 1983 Atkinson
4436447 March 13, 1984 Crowe
4449847 May 22, 1984 Scales et al.
4465398 August 14, 1984 Knudsen
4486121 December 4, 1984 Thompson et al.
4502815 March 5, 1985 Scales
4592675 June 3, 1986 Scales
4690585 September 1, 1987 Holmberg
4813812 March 21, 1989 Hasegawa et al.
4940364 July 10, 1990 Dlugosz
5108222 April 28, 1992 Jansson
Patent History
Patent number: D392750
Type: Grant
Filed: Feb 25, 1997
Date of Patent: Mar 24, 1998
Inventor: John M. Scales (Norcross, GA)
Primary Examiner: B. J. Bullock
Law Firm: Kennedy, Davis & Kennedy, PC
Application Number: 0/66,884
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)
International Classification: 2501;