Briefcase

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

1. Briefcase

FIG. 1.1 is an upper diagonal right side perspective view of the briefcase in its opened state;

FIG. 1.2 is an upper diagonal left side perspective view of the briefcase in its opened state;

FIG. 1.3 is a lower diagonal right side perspective view of the briefcase in its opened state;

FIG. 1.4 is a lower diagonal left side perspective view of the briefcase in its opened state;

FIG. 1.5 is a front side perspective view of the briefcase in its opened state;

FIG. 1.6 is a left side perspective view of the briefcase in its opened state.

Patent	Priority	Assignee	Title
D939854,	Aug 23 2020	WORKY LIFE LLC	Portable office in-a-box

Patent	Priority	Assignee	Title
3957141,	Sep 26 1973		Briefcase
5839553,	Jul 29 1996	Honda Giken Kogyo Kabushiki Kaisha	Briefcase organizer
5931270,	Sep 19 1997		Briefcase handle and strap supports
5977876,	Aug 13 1998		Briefcase with remotely controlled locking mechanism
20110017563,
167868,
D328765,	Feb 02 1990		Tabletop horseshoe game and container therefor
D344074,	Jan 04 1991		Combined laptop computer with cellular telephone and carrying case therefor

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