Revetment block

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;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a front side elevational view thereof, the back side elevational plan view being a mirror image thereof; and,

FIG. 6 is a top plan view thereof in a mat formed with a plurality of said revetment blocks illustrated in broken line with mirrored adjacent revetment blocks joined together by chain links shown in broken line, to illustrate the environment thereof which forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D30707 May 1899 Paquette
D46509 October 1914 Neff
D244201 May 3, 1977 Muse
D297464 August 30, 1988 Forsberg
D378423 March 11, 1997 Henry
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
  • Brochure, Waterway Technology Corp., Protec, 1990. Brochure, Amortec, Inc., Amorflex, 1984.
Patent History
Patent number: D415576
Type: Grant
Filed: May 21, 1998
Date of Patent: Oct 19, 1999
Inventor: John M. Scales (Norcross, GA)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Robert Delehanty
Law Firm: Kennedy, Davis & Kennedy P.C.
Application Number: 0/88,377
Classifications
Current U.S. Class: Perforated Or Openwork (18) (D25/114)
International Classification: 2501;