Revetment block

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Description

FIG. 1 is an upper and right perspective view of a revetment block of my new design;

FIG. 2 is a bottom plan view thereof;

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

FIG. 4 is a front side elevational view thereof, the back side elevational view being a mirror image thereof; and,

FIG. 5 is a top plan view thereof in a mat formed with a plurality of said revetment blocks illustrated in broken line for showing the environment thereof.

Referenced Cited
U.S. Patent Documents
D30707 May 1899 Paquette
D46509 October 1914 Neff
D244201 May 3, 1977 Muse
D297464 August 30, 1988 Forsberg
1822602 September 1931 Ross
2876628 March 1959 Dixon, Jr.
3347048 October 1967 Brown et al.
3375667 April 1968 Hard
3597928 August 1971 Pilmar
4227829 October 14, 1980 Landry, Jr.
4564311 January 14, 1986 Scales
4781492 November 1, 1988 Shindo
4813812 March 21, 1989 Hasegawa et al.
Other references
  • Waterway Technology Corporation, Protec, 1990. Armortec, Inc., Armorflex, 1984.
Patent History
Patent number: D399577
Type: Grant
Filed: Feb 23, 1996
Date of Patent: Oct 13, 1998
Inventor: John M. Scales (Norcross, GA)
Primary Examiner: B. J. Bullock
Law Firm: Kennedy, Davis & Kennedy
Application Number: 0/50,805
Classifications
Current U.S. Class: Symmetrical (D25/115)
International Classification: 2501;