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					| Patent    D604991 |  
					| Priority Aug 07 2008 |  
					| Filed Aug 07 2008 |  
					| Issued Dec 01 2009 |  
					| Expiry Dec 01 2023 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 22 |  
					 | 35 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a portable liquid flask, as shown and described. | 
 
	
FIG. 1 is a top, side and front perspective view of a portable liquid flask showing my new design;
FIG. 2 is a front elevation view, the rear elevation being a mirror image thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a bottom, side and rear perspective view thereof.
	
	Ablo, Famia E.
	
	
	  
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	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | Aug 07 2008 |  | Dart Industries Inc. | (assignment on the face of the patent) | / |  | 
    
| Jan 23 2009 | ABLO, FAMIA E | Dart Industries Inc | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 022178/ | 0826 | pdf | 
    
| Apr 17 2020 | Dart Industries Inc | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 052460/ | 0739 | pdf | 
    
| Dec 03 2020 | Dart Industries Inc | ALTER DOMUS  US  LLC, AS ADMINISTRATIVE AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 054676/ | 0951 | pdf | 
    
| Nov 23 2021 | ALTER DOMUS  US  LLC | Dart Industries Inc | RELEASE OF SECURITY INTEREST IN PATENTS | 058313/ | 0611 | pdf | 
    
| Nov 23 2021 | TUPPERWARE BRANDS CORPORATION | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 058963/ | 0285 | pdf | 
    
| Nov 23 2021 | Dart Industries Inc | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 058963/ | 0285 | pdf | 
    
| Nov 23 2021 | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | TUPPERWARE BRANDS CORPORATION | RELEASE BY SECURED PARTY  SEE DOCUMENT FOR DETAILS | 058517/ | 0379 | pdf | 
    
| Nov 23 2021 | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | Dart Industries Inc | RELEASE BY SECURED PARTY  SEE DOCUMENT FOR DETAILS | 058517/ | 0379 | pdf | 
    
	
	
	
	  
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