Filter tank for swimming pools or the like

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Description

FIG. 1 is a perspective view of a filter tank for swimming pools or the like, showing my new design;

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

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

The opposite side is a mirror image of the one shown.

Referenced Cited
U.S. Patent Documents
D199952 December 1964 Hoffinger
D212090 August 1968 Edmiston
D223449 April 1972 Reiner et al.
D229309 November 1973 Reiner et al.
D238363 January 1976 Polens
3069014 December 1962 Lewis
Other references
  • PAC.FAB, Inc. Advertising Flyer, front of page, Tagelus High Rate Sand Filter. PAC.FAB, Inc. Advertising Flyer, front of page, Triton High Rate Sand Filter. PAC.FAB Inc. Advertising Flyer, front of page, PF Sand High Rate Sand Filter. PAC.FAB, Inc. Advertising Flyer, front of page, Mytilus FRP Single Cartridge Filter. Swimtime Division Catalogue for United Industries, Inc., .COPYRGT.1986, p. 79, Filter System, copy attached to applicant's response to request for information in application file. Jacuzzi Advertising Flyer, front side of page, Jacuzzi 15" MFM Sand Filter System. Jacuzzi Advertising Flyer, 11/85, front of page, Jacuzzi 2.2 MFM Sand Filter.
Patent History
Patent number: D305682
Type: Grant
Filed: May 19, 1987
Date of Patent: Jan 23, 1990
Inventor: Wallace M. Stromberg (Wichita, KS)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Attorney: Edward L. Brown, Jr.
Application Number: 7/51,306
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)