Trencher

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

FIG. 1 is a rear left perspective view of a trencher, showing my new design;

FIG. 2 is a rear right perspective view thereof;

FIG. 3 is a reduced rear elevational view thereof; and

FIG. 4 is a reduced left side elevational view thereof.

Patent	Priority	Assignee	Title
D571827,	Sep 21 2007	The Charles Machine Works, Inc.	Two wheel articulated tool carrier chassis
D572274,	Sep 27 2007	The Charles Machine Works, Inc.	Articulated dumper
D572275,	Sep 27 2007	The Charles Machine Works, Inc.	Articulated tool carrier with tower arm
D572730,	Sep 21 2007	The Charles Machine Works, Inc.	Four wheel articulated tool carrier
D579464,	Sep 21 2007	The Charles Machine Works, Inc.	Three-wheel articulated trencher
D579955,	Sep 21 2007	The Charles Machine Works, Inc.	Two wheel articulated tool carrier chassis

Patent	Priority	Assignee	Title
4402352,	May 26 1982	DOTY, KEITH L , 50% ; BARR, J T , 50%	Stump cutting machine
4483084,	Jun 09 1982	WEC Company	Trencher
4896442,	Mar 25 1986	MUSTANG MANUFACTURING COMPANY, INC	Trencher apparatus
D266765,	Mar 12 1980	MIDMARK CORPORATION, A CORP OF OH; Melroe Company	Self-propelled trenching machine
DE1484817,

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
May 15 1987		Austoft Industries Limited	(assignment on the face of the patent)
Jun 22 1987	WARREN, JAMES R	Austoft Industries Limited	ASSIGNMENT OF ASSIGNORS INTEREST	004751	0070	pdf

n/a

Date	Maintenance Fee Events

n/a

Date	Maintenance Schedule