Patent
   D360021
Priority
Mar 01 1993
Filed
Apr 09 1993
Issued
Jul 04 1995
Expiry
Jul 04 2009
Assg.orig
Entity
unknown
42
36
n/a
The ornamental design for a circular sleeve coupling, as shown and described.

FIG. 1 is a perspective view of a circular sleeve coupling, showing our new design, as seen obliquely from the front;

FIG. 2 is a perspective view of the sleeve coupling, as seen obliquely from the back; and,

FIG. 3 is a side elevation of the sleeve coupling, the opposite side being a mirror image thereto.

Lennartsson, Kenneth, Sonden, Carl-Gustaf

Patent Priority Assignee Title
7523964, Mar 24 2005 Langdon Incorporated Sealing gasket for ventilation duct system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 18 1993SONDEN, CARL-GUSTAFLINDAB AB A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0065170151 pdf
Mar 18 1993LENNARTSSON, KENNETHLINDAB AB A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0065170151 pdf
Apr 09 1993Lindab AB(assignment on the face of the patent)
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