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The ornamental design for a air purifier, as shown and described.
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FIG. 1 is a perspective view of a air purifier showing my new design.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a top view thereof.
FIG. 5 is a bottom view thereof.
FIG. 6 is a right side view thereof; and,
FIG. 7 is a left side view thereof.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
| Patent | Priority | Assignee | Title |
| D392703, | Aug 13 1996 | Ball target for soccer-like games | |
| D392731, | Apr 10 1997 | Essick Air Products | Portable air purifier |
| D402745, | Dec 17 1997 | JPMORGAN CHASE BANY | Air purifier |
| D402746, | Mar 02 1998 | Carrier Corporation | Portable air cleaner |
| D451182, | Jan 22 2001 | Hunter Fan Company | Air purifier |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 17 2003 | STAUFFER, MICHAEL J | Hunter Fan Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014004 | /0525 | |
| Apr 21 2003 | Hunter Fan Company | (assignment on the face of the patent) | / | |||
| Apr 11 2005 | Hunter Fan Company | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | SECURITY AGREEMENT | 015953 | /0772 | |
| Apr 16 2007 | Hunter Fan Company | GOLDMAN SACHS CREDIT PARTNERS L P , AS SECOND LIEN COLLATERAL AGENT | SECURITY AGREEMENT | 019204 | /0836 | |
| Apr 16 2007 | Hunter Fan Company | JPMORGAN CHASE BANK, N A , AS FIRST LIEN COLLATERAL AGENT | SECURITY AGREEMENT | 019204 | /0566 | |
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| Dec 20 2012 | GOLDMAN SACHS CREDIT PARTNERS L P | Hunter Fan Company | RELEASE OF PATENT SECURITY INTEREST SECOND LIEN | 029751 | /0322 | |
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| Dec 20 2012 | JPMORGAN CHASE BANK, N A | Hunter Fan Company | RELEASE OF PATENT SECURITY INTEREST FIRST LIEN | 029751 | /0271 | |
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| May 07 2021 | CERBERUS BUSINESS FINANCE, LLC | Hunter Fan Company | RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT REEL 042302 FRAME 0599 | 056194 | /0819 |
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