Patent
   D313342
Priority
Jul 08 1987
Filed
Dec 28 1987
Issued
Jan 01 1991
Expiry
Jan 01 2005
Assg.orig
Entity
unknown
11
12
n/a
The ornamental design for a twin wheel castor, as shown and described.

FIG. 1 is a front elevational view of a twin wheel castor showing my new design;

FIG. 2 is a left side elevational view thereof;

FIGS. 3 and 4 are respectively top and bottom plan views thereof;

FIG. 5 is a right side top and rear perspective view thereof; and

FIG. 6 is a rear elevational view thereof.

Screen, Stafford T.

Patent Priority Assignee Title
6419246, Jun 28 1999 Bucket dolly
D329011, Sep 09 1989 TENTE-ROLLEN GMBH & CO Caster wheel
D339736, May 13 1991 SUGATSUNE INDUSTRIAL CO , LTD Caster
D460345, Sep 12 2000 Guy-Raymond Engineering Company Limited Caster with brake
D460346, Sep 12 2000 Guy-Raymond Engineering Company Limited Caster
D463257, Mar 10 2000 TENTE-ROLLEN GMBH & CO Castor wheel
D561014, Dec 12 2005 Gross + Froelich BmbH & Co. KG Castor
D561015, Dec 12 2005 Gross + Froelich GmbH & Co. KG Castor
D639149, Aug 24 2010 Metalúrgica Schioppa LTDA. Caster
D725459, Oct 10 2013 STEINCO Paul vom Stein GmbH Caster
D731878, Aug 20 2013 Sistema Plastics Limited Wheel
Patent Priority Assignee Title
2770831,
2911666,
3214785,
3894310,
3967342, Jan 13 1975 Gerry Baby Products Company Suspended swivel wheel arrangement for baby carriages and the like
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AU288962,
207100,
241513,
241611,
D266614, May 01 1978 Illinois Tool Works Inc Roller
D272416, Jun 14 1980 BRITISH CASTORS LIMITED, GOLDS GREEN WORKS, Castor
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 28 1987Colson Castors (Europe) Limited(assignment on the face of the patent)
Dec 28 1987SCREEN, STAFFORD T COLSON CASTORS EUROPE LIMITEDASSIGNMENT OF ASSIGNORS INTEREST 0048090306 pdf
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