Patent
   D360018
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 ABASSIGNMENT OF ASSIGNORS INTEREST 0065110334 pdf
Mar 18 1993LENNARTSSON, KENNETHLindab ABASSIGNMENT OF ASSIGNORS INTEREST 0065110334 pdf
Apr 09 1993Lindab AB(assignment on the face of the patent)
Nov 28 2001BRIDGESTONE FIRESTONE RESEARCH, INC BRIDGESTONE FIRESTONE RESEARCH, LLCACKNOWLEDGEMENT OF CONVERSION0123220614 pdf
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