Patent
   D677780
Priority
Apr 15 2011
Filed
Apr 15 2011
Issued
Mar 12 2013
Expiry
Mar 12 2027
Assg.orig
Entity
unknown
23
7
n/a
The ornamental design for a filter cartridge, as shown and described.

FIG. 1 is a perspective view, showing the new design for a filter cartridge;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing forms no part of the claimed design.

Lee, Jin-ho, Choi, Dong-Il, Lee, Kyoung-Ho, Kang, BongHyup, Noh, Dong-Sun

Patent Priority Assignee Title
D721169, May 31 2012 3M Innovative Properties Company Respirator grill ribs
D742504, Feb 27 2015 3M Innovative Properties Company Respirator mask
D745962, May 22 2014 3M Innovative Properties Company Respirator filter retainer
D746438, May 22 2014 3M Innovative Properties Company Respirator filter cover
D754844, May 22 2014 3M Innovative Properties Company Respirator mask
D757247, May 22 2014 3M Innovative Properties Company Respirator cartridge
D757249, Jan 13 2015 Respirator mask
D757928, May 22 2014 3M Innovative Properties Company Respirator cartridge body
D762845, Feb 27 2015 3M Innovative Properties Company Respirator cartridge
D763437, Feb 27 2015 3M Innovative Properties Company Respirator cartridge body
D778430, Nov 15 2013 3M Innovative Properties Company Filter cartridge
D792959, Feb 27 2015 3M Innovative Properties Company Filter element having a pattern
D795415, Feb 27 2015 3M Innovative Properties Company Respirator cartridge having an engagement latch
D886273, Feb 27 2015 3M Innovative Properties Company Filter element having a pattern
D959643, Mar 26 2020 LG Electronics Inc. Air mask
D959644, Mar 26 2020 LG Electronics Inc. Removable cover for air mask
D963157, Jun 09 2020 LG Electronics Inc. Mask air purifier
D968712, Nov 09 2020 CLEANSPACE IP PTY LTD Filter for breathing mask
D987069, Jul 14 2021 RAZER ASIA-PACIFIC PTE LTD Face mask
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 15 20113M Innovative Properties Company(assignment on the face of the patent)
May 23 2011CHOI, DONG-IL3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0263770563 pdf
May 23 2011LEE, KYOUNG-HO3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0263770563 pdf
May 23 2011LEE, JIN-HO3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0263770563 pdf
May 23 2011KANG, BONGHYUP3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0263770563 pdf
May 23 2011NOH, DONG-SUN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0263770563 pdf
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