| 
 | The ornamental design for an air cleaner, as shown and described. | |||||||||||||||||
FIG. 1 is a front left side, top perspective view showing my 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 bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
The dot pattern in FIGS. 1, 6 and 7 is understood to extend throughout the area represented and is shown partially for ease of illustration.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| May 17 1994 | MULLER, RONALD L | Philips Electronics North America Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007003/ | 0961 | |
| May 24 1994 | U.S. Philips Corporation | (assignment on the face of the patent) | / | 
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