|
The ornamental design for a portable air filter, as shown. |
FIG. 1 is a perspective view of the portable air filter of this invention;
FIG. 2 is a front view of the device of FIG. 1;
FIG. 3 is a top view of the device of FIG. 1;
FIG. 4 is a bottom view of the device of FIG. 1;
FIG. 5 is a back view of the device of this invention;
FIG. 6 is a right side view of the device of FIG. 1; and,
FIG. 7 is a left side view of the device of FIG. 1.
Patent | Priority | Assignee | Title |
7360772, | Jul 20 2005 | Child transport air filtering system | |
D677774, | Nov 18 2011 | VAPORFECTION INTERNATIONAL, INC | Vaporizer heating assembly |
Patent | Priority | Assignee | Title |
5484472, | Feb 06 1995 | WEIN PRODUCTS INC | Miniature air purifier |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 15 1996 | SEELEY, LARRY E | RYON, J MICHAEL | ASSIGNS A ONE-HALF INTEREST | 008574 | /0262 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |