Portable water filter


FIG. 1 is an isometric view of a portable water filter showing my new design, with the broken lines shown for illustrative purposes only and forming no part of my claimed design;

FIG. 2 is an isometric view showing the top thereof;

FIG. 3 is an isometric view showing the bottom thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited

U.S. Patent Documents

275978 April 1883 Barrington
D296352 June 21, 1988 Luzenberg
494837 April 1893 Bellamy
2314357 April 1940 Lehman

Patent History

Patent number: D313643
Type: Grant
Filed: May 13, 1987
Date of Patent: Jan 8, 1991
Inventor: Robert S. Luzenberg, Jr. (Tierra Verde, FL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Application Number: 7/48,921


Current U.S. Class: Filter Or Strainer (2) (D23/209)