Clipboard

The ornamental design for a clipboard, as shown.

FIG. 1 is a perspective view of a clipboard showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and

FIG. 4 is a rear elevational view thereof.

Patent	Priority	Assignee	Title
5615817,	Oct 03 1995	Sportsman's Market, Inc.	Kneeboard with support ear
5827072,	Feb 21 1996		Graphic, sports-related instruction board
D303811,	Mar 05 1986	ACOSTA, ROMANA, 5079 LAS FELIS BOULEVARD, LOS ANGELES, CALIFORNIA 90027	Combined document clip and pencil grip
D308542,	Mar 16 1987	ACOSTA, ROMANA, 5079 LAS FELIS BOULEVARD, LOS ANGELES, CALIFORNIA 90027	Clipboard
D329061,	Jul 13 1990	Rubbermaid Incorporated	Clipboard
D394677,	Apr 04 1997		Bingo play board with attachable ashtray and cup holder
D982078,	Mar 02 2022		Foldable clipboard with holder for a writing implement
D982079,	Sep 18 2021		Three section foldable clipboard with holder for a writing implement

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jan 30 1981	LOWERY VERNON L	PFEILER QUALITY PRODUCTS, A CORP OF CALIF	ASSIGNMENT OF ASSIGNORS INTEREST	003863	0844	pdf
Jan 30 1981	VEGA RICHARD	PFEILER QUALITY PRODUCTS, A CORP OF CALIF	ASSIGNMENT OF ASSIGNORS INTEREST	003863	0844	pdf
Feb 12 1981		Pfeiler & Associates, Engineers, Inc.	(assignment on the face of the patent)

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