Portable ultrafiltration unit

- Infinitex
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Description

FIG. 1 is a front perspective view of a portable ultrafiltration unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof; and,

FIG. 6 is an opposite side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D176460 December 1955 Hagman
D202889 November 1965 Leamy
2635756 April 1953 Grieve et al.
3797378 March 1974 Morris
3856676 December 1974 Grimme, Jr. et al.
Patent History
Patent number: D328777
Type: Grant
Filed: Jun 4, 1990
Date of Patent: Aug 18, 1992
Assignee: Infinitex (Clarence, NY)
Inventors: William H. Thalmann (E. Amherst, NY), Thomas W. Siegler (Kenmore, NY)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Law Firm: Bean, Kauffman & Spencer
Application Number: 7/533,066
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)