Portable water filter
Description
FIG. 1 is a bottom front perspective view of the portable water filter showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
2436077 | February 1948 | Robertson |
2566371 | September 1951 | Quinn |
4477347 | October 16, 1984 | Sylva |
Patent History
Patent number: D309487
Type: Grant
Filed: Nov 4, 1988
Date of Patent: Jul 24, 1990
Inventor: James L. Lieberman (Boulder, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Donald W. Margolis
Application Number: 7/266,991
Type: Grant
Filed: Nov 4, 1988
Date of Patent: Jul 24, 1990
Inventor: James L. Lieberman (Boulder, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Donald W. Margolis
Application Number: 7/266,991
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)