|  
			 				  
					| PTO
                  Wrapper
						
						PDF |    
				  | Dossier
                
						Espace
						Google |  
				  |  |  
					| Patent    D725254 |  
					| Priority Dec 18 2012 |  
					| Filed Dec 18 2012 |  
					| Issued Mar 24 2015 |  
					| Expiry Mar 24 2029 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 32 |  
					 | 15 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for an air filter, as shown and described. | 
 
	
FIG. 1 is a front perspective view of the air filter in a closed position;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a front perspective view of the air filter of FIG. 1 in an opened position.
	
	Roblin, Andrew
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 11181281, | Jan 31 2011 | Strevior, Inc. | Multi-stage hood filter system | 
    
	 | 11859891, | Jul 17 2019 | ELECTROLUX CONSUMER PRODUCTS, INC | Appliance air freshener | 
    
	 | 12157080, | Jun 25 2018 | BLADE FILTERS INC | Air filter apparatus, system and method | 
    
	 | D746467, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D747487, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D748267, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D748801, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D750785, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D751189, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D752227, | Apr 04 2014 | Resonac Corporation | Filter sheet for a cell collecting cartridge | 
    
	 | D824505, | May 05 2015 | Access Business Group International LLC | Air treatment system filter | 
    
	 | D842445, | Dec 09 2016 | Amano Corporation | Filter for an industrial dust collector | 
    
	 | D846456, | Jun 13 2016 | BOMAG GmbH | Air grille for construction vehicle | 
    
	 | D898177, | Nov 29 2019 | SHENZHEN SHENYUANXIN TECHNOLOGY CO., LTD. | Air filter | 
    
	 | D902462, | Jan 12 2015 | Hunter Fan Company | Ceiling fan light kit | 
    
	 | D910161, | Jan 31 2012 | STREIVOR, INC. | Multi-stage filter | 
    
	 | D921174, | Aug 19 2016 | WALLNER EXPAC, INC | Diffuser | 
    
	 | D921175, | Aug 19 2016 | WALLNER EXPAC, INC | Diffuser | 
    
	 | D921176, | Jun 07 2019 |  | Filter | 
    
	 | D927673, | Aug 23 2019 | ELECTROLUX CONSUMER PRODUCTS, INC | Air filter | 
    
	 | D927674, | Aug 23 2019 | ELECTROLUX CONSUMER PRODUCTS, INC | Air filter | 
    
	 | D927675, | Aug 23 2019 | ELECTROLUX CONSUMER PRODUCTS, INC | Air filter | 
    
	 | D928300, | Aug 23 2019 | ELECTROLUX CONSUMER PRODUCTS, INC | Air filter | 
    
	 | D936198, | Jan 22 2020 | DBG Group Investments, LLC | Ozone plate for an air purification device | 
    
	 | D938005, | Jul 19 2019 | WOONGJIN COWAY CO., LTD. | Filter for air purification | 
    
	 | D950698, | Sep 09 2019 | BLADE FILTERS INC | Filter assembly | 
    
	 | D972698, | Jun 20 2016 | 3M Innovative Properties Company | Air filter | 
    
	 | D986400, | Dec 04 2020 | Zehnder Group International AG | Air filter for ventilation equipment | 
    
	 | D988367, | Jun 09 2021 |  | Ignition coil for motor | 
    
	 | ER3405, |  |  |  | 
    
	 | ER4219, |  |  |  | 
    
	 | ER9225, |  |  |  | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 5075000, | May 22 1990 | CLARIFICATION TECHNOLOGY, INC | Filter pad holder | 
    
	 | 6764533, | Oct 30 2001 | PERRY AIR MANUFACTURING, INC | Electronic air filter assembly | 
    
	 | 8500839, | Apr 28 2009 | Parker-Hannifin Corporation | Panel filter | 
    
	 | 20050138906, |  |  |  | 
    
	 | 20050279064, |  |  |  | 
    
	 | 20080053049, |  |  |  | 
    
	 | 20110277637, |  |  |  | 
    
	 | 20120151889, |  |  |  | 
    
	 | CA2704384, |  |  |  | 
    
	 | D483845, | Dec 24 2002 |  | Air filter cartridge | 
    
	 | D538418, | Jul 14 2005 | Access Business Group International LLC | Filter | 
    
	 | D593189, | Oct 19 2006 | Nitto Denko Corporation | Air filter | 
    
	 | D605274, | Oct 19 2006 | Nitto Denko Corporation | Air filter | 
    
	 | D655804, | Jun 27 2011 | DiversiTech Corporation | Filter frame | 
    
	 | D679792, | Jun 07 2010 |  | Scented air filter | 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	
	
	
	  
	  	 | Date | Maintenance Fee Events | 
	  n/a
	
	
	
	  
	  	 | Date | Maintenance Schedule | 
	  n/a