Portable ultra-filter for industrial waste fluids

- Sanborn, Inc.
Description

FIG. 1 is a top perspective of a portable ultra filter for industrial waste fluids showing my new design, on a reduced scale, the broken lines are shown for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top perspective view thereof, on an enlarged scale;

FIG. 3 is a front elevational view thereof, on a greatly enlarged scale;

FIG. 4 is a side elevational view thereof, on a greatly enlarged scale;

FIG. 5 is a top plan view thereof, on a greatly enlarged scale; and

FIG. 6 is a rear elevational view thereof, on a greatly enlarged scale.

The side views of the portable ultra-filter for industrial waste fluids not shown are mirror images of the side views that are shown.

Referenced Cited
U.S. Patent Documents
D197942 April 1964 Treiss
D200995 April 1965 Niers et al.
D205650 August 1966 King
D205922 October 1966 Moon
D256719 September 2, 1980 Rose
4636317 January 13, 1987 Lewis
Patent History
Patent number: D318315
Type: Grant
Filed: Oct 11, 1988
Date of Patent: Jul 16, 1991
Assignee: Sanborn, Inc. (Wrentham, MA)
Inventor: George W. Sanborn (Walpole, MA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Cesari and McKenna
Application Number: 7/255,735
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)