Briefcase

The ornamental design for a briefcase, as shown and described.

FIG. 1 is a perspective view of a first embodiment of the briefcase.

FIG. 2 is a front view of the embodiment of FIG. 1.

FIG. 3 is a rear view of the embodiment of FIG. 1.

FIG. 4 is a right side view of the embodiment of FIG. 1.

FIG. 5 is a left side view of the embodiment of FIG. 1.

FIG. 6 is a top view of the embodiment of FIG. 1; and,

FIG. 7 is a bottom view of the embodiment of FIG. 1.

The broken lines are provided for illustrative purposes only and form no part of the claimed design.

Patent	Priority	Assignee	Title
D617560,	Apr 28 2009	TUMI, INC	Handle
D641554,	Apr 06 2009	GATOR SLAPPA HOLDINGS, LLC	Shoulder bag with changeable flap
D723280,	Nov 29 2013	Tumi Inc.	Split pocket zipper
D869471,	Jul 17 2019		Laptop sleeve
D870115,	Jul 17 2019		Laptop sleeve
D882257,	Jun 22 2017	TUMI, INC	Bag
D904021,	Jun 22 2017	TUMI, INC	Briefcase
D906672,	Jun 20 2018	TUMI, INC	Briefcase
D922068,	Jan 03 2019	TUMI, INC	Briefcase

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Apr 16 2008	CHU, DAVID CHING CHI	TUMI, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	021009	0629	pdf
Apr 16 2008	LEONIAK, MICHAEL STEFAN	TUMI, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	021009	0629	pdf
May 28 2008		Tumi, Inc.	(assignment on the face of the patent)
Aug 01 2016	TUMI, INC,	HSBC BANK USA, NATIONAL ASSOCIATION, AS COLLATERAL AGENT	SECURITY INTEREST SEE DOCUMENT FOR DETAILS	039550	0346	pdf
Aug 01 2016	Wells Fargo Bank, National Association	TUMI, INC	RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS	039535	0895	pdf
Apr 25 2018	TUMI, INC	HSBC BANK USA, NATIONAL ASSOCIATION, AS COLLATERAL AGENT	SECURITY INTEREST SEE DOCUMENT FOR DETAILS	046026	0887	pdf

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