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The ornamental design for an air purifier, as shown and described. |
FIG. 1 is a perspective view of an air purifier showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is right side view thereof, the left side being a mirror image of the right side shown; and
FIG. 6 is a bottom plan view thereof.
Lynch, Jr., Patrick E., Wimsatt, James M.
Patent | Priority | Assignee | Title |
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D277311, | Dec 06 1982 | North American Philips Corporation | Room air cleaner |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 24 1980 | WLN Products | (assignment on the face of the patent) | / | |||
May 27 1981 | LYNCH, PATRICK E JR | WLN Products | ASSIGNMENT OF ASSIGNORS INTEREST | 003903 | /0488 | |
May 27 1981 | WIMSATT, JAMES M | WLN Products | ASSIGNMENT OF ASSIGNORS INTEREST | 003903 | /0488 | |
Dec 23 1982 | WLN PRODUCTS, A NE GENERAL PARTNERSHIP | Pyramid Products, Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 004072 | /0941 | |
Jan 09 1986 | PYRAMID PRODUCTS INCORPORATED | VAPORTEK, INC , A CORP OF WI | ASSIGNMENT OF ASSIGNORS INTEREST | 004514 | /0361 |
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