| D302313 |
Erosion control device
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| Patent Drawings: | |
| Inventor: |
Lenson |
| Date Issued: |
July 18, 1989 |
| Application: |
06/937,524 |
| Filed: |
November 28, 1986 |
| Inventors: |
Lenson; Walter J. (London, Ontario, CA)
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| Assignee: |
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| Primary Examiner: |
Word; A. Hugo |
| Assistant Examiner: |
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| Attorney Or Agent: |
Banner, Birch, McKie & Beckett |
| U.S. Class: |
D25/113; D25/117 |
| Field Of Search: |
405/30; 405/31; 405/33; 405/21; 405/25; 405/29; 405/373; D25/113; D25/114; D25/115; D25/116; D25/117; D25/118 |
| International Class: |
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| U.S Patent Documents: |
905596; 954283; 1230608; 1277829; 2104356; 2191924; 2474786; 2653450; 2755631; 3011316; 3118282; 3176468; 3252287; 3280569; 3282054; 3357192; 3386250; 3386252; 3479824; 3597928; 3844125; 3875750; 3894397; 3913333; 4129006; 4367978; 4407608; 4479740; 4498805; 4502816 |
| Foreign Patent Documents: |
953520; 1111264; 730189; 769861 |
| Other References: |
Information leaflet on Great Lakes Environmental Marine Ltd. of Chicago, Ill..
Low Cost Shore Protection--Final Report on The Erosion Control Demonstration Program; U.S. Army Corps of Engineers, 1981.. |
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| Abstract: |
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| Claim: |
The ornamental design for an erosion control device, as shown. |
| Description: |
FIG. 1 is a downward front perspective view of a erosion control device embodying my design.
FIG. 2 is an upward rear perspective view of the erosion control device illustrated in FIG. 1.
FIG. 3 is a top plan view of the erosion control device illustrated in FIG. 1.
FIG. 4 is a front elevational view of the erosion control device illustrated in FIG. 1.
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