Module for a sewage filter bed or similar article

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Description

FIG. 1 is a top plan view of a module for a sewage filter bed, or similar article showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is an elevational view taken 90.degree. from the plane of FIG. 2;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a bottom perspective view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross sectional view taken on line 7--7 of FIG. 1;

FIG. 8 is a cross sectional view taken on line 8--8 of FIG. 1; and

FIG. 9 is a cross sectional view taken on line 9--9 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D232174 July 1974 LaBorde
D232236 July 1974 LaBorde
D232237 July 1974 LaBorde
D232238 July 1974 LaBorde
D235870 July 1975 Sheeham
3430934 March 1969 Weishaupt
3489208 January 1970 Manteufel
3506248 April 1970 Starbuck et al.
3752453 August 1973 Doyne
Patent History
Patent number: D244530
Type: Grant
Filed: Oct 7, 1975
Date of Patent: May 31, 1977
Assignees: Bell and Reading Engineering Ltd. (Vancouver), Fraser Valley Milk Producers Association (Vancouver)
Inventor: John Bell (West Vancouver)
Primary Examiner: James R. Largen
Attorney: Roberts B. Larson
Application Number: 5/620,397
Classifications
Current U.S. Class: D23/4
International Classification: D2301;