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					| Patent    D735310 |  
					| Priority Dec 03 2010 |  
					| Filed Apr 05 2013 |  
					| Issued Jul 28 2015 |  
					| Expiry Jul 28 2029 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 15 |  
					 | 31 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  
			  
			  
			  I claim the ornamental design for an air filter, as shown and described. | 
 
	
FIG. 1 is a front perspective view from above the claimed design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a right side elevation view thereof; and,
FIG. 7 is a left side elevation view thereof.
	
	Drew, Christopher J.
	
	
	  
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	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | Dec 02 2010 | DREW, CHRISTOPHER J | Briggs & Stratton Corporation | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 030181/ | 0810 | pdf | 
    
| Apr 05 2013 |  | Briggs & Stratton Corporation | (assignment on the face of the patent) | / |  | 
    
| Sep 27 2019 | Briggs & Stratton Corporation | JPMORGAN CHASE BANK, N A , AS COLLATERAL AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 050564/ | 0916 | pdf | 
    
| Jul 22 2020 | Briggs & Stratton Corporation | JPMORGAN CHASE BANK, N A , AS COLLATERAL AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 053287/ | 0487 | pdf | 
    
| Aug 21 2020 | JPMORGAN CHASE BANK, N A , AS COLLATERAL AGENT | Briggs & Stratton Corporation | RELEASE BY SECURED PARTY  SEE DOCUMENT FOR DETAILS | 054617/ | 0331 | pdf | 
    
| Sep 21 2020 | Briggs & Stratton, LLC | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 053838/ | 0046 | pdf | 
    
| Sep 21 2020 | Briggs & Stratton, LLC | KPS CAPITAL FINANCE MANAGEMENT, LLC | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 053850/ | 0192 | pdf | 
    
| Sep 21 2020 | JPMORGAN CHASE BANK, N A , AS COLLATERAL AGENT | Briggs & Stratton Corporation | RELEASE BY SECURED PARTY  SEE DOCUMENT FOR DETAILS | 053885/ | 0211 | pdf | 
    
| Sep 21 2020 | Briggs & Stratton Corporation | Briggs & Stratton, LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 057042/ | 0247 | pdf | 
    
	
	
	
	  
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