Portable sanitation unit

The ornamental design for a portable sanitation unit, substantially as shown.

FIG. 1 is a perspective view of a portable sanitation unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side view thereof; and

FIG. 5 is a rear elevational view thereof.

Patent	Priority	Assignee	Title
5682622,	Mar 20 1996	Polyjohn Enterprises Corporation	Portable stand-alone restroom facility with handicap access
6507958,	Sep 06 1996		Multi-function base unit for portable stand-alone restroom facility
D258464,	Oct 10 1978	Rosedale Plastics (Containers) Limited	Portable toilet
D275520,	Jan 22 1982	ENZYMES OF AMERICA HOLDING CORP	Portable toilet
D295271,	Jan 13 1986	Richard H., Moore	Maintenance crew support trailer
D298357,	Aug 20 1985	Olympic Fiberglass Industries, Inc.	Portable toilet for handicapped individuals
D304082,	Feb 09 1987	Poly-John Enterprises Corp.	Outdoor toilet cabana
D337831,	Jun 18 1990	Satellite Industries, Inc.; SATELLITE INDUSTRIES, INC , A CORP OF MN	Portable restroom
D349578,	Oct 21 1992	Portasilo Limited	Portable toilet
D354142,	Jan 22 1993	Satellite Industries, Inc.; SATELLITE INDUSTRIES, INC	Portable restroom
D360471,	Dec 27 1993	Poly-John Enterprises Corporation	Portable toilet cabana
D384751,	Mar 20 1996	Polyjohn Enterprises Corporation	Portable stand alone restroom facility having handicap access
D609413,	Feb 25 2009	Polyjohn Enterprises Corporation	Portable restroom
D624663,	Feb 20 2009		Portable toilet

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Dec 17 1976		Usanco, Inc.	(assignment on the face of the patent)

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