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Patent
   D710038
Priority
Dec 22 2011
Filed
Jun 22 2012
Issued
Jul 29 2014
Expiry
Jul 29 2028
Inventors
Keen, Andr…
Assg.orig
Permaban L…
Assg.curr
Permaban L…
Entity
unknown
Referenced by
4
References
5
Maint.:
n/a
I claim the ornamental design for a expansion joint for concrete slabs, as shown and described.

FIG. 1 is a perspective view showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a side view thereof.
INVENTORS:

Keen, Andrew

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10077533, Feb 27 2012 HENGELHOEF CONCRETE JOINTS NV Structural joint
10323359, Feb 27 2012 HENGELHOEF CONCRETE JOINTS NV Structural joint
10711410, Feb 27 2012 HENGELHOEF CONCRETE JOINTS NV Structural joint
D927025, Sep 20 2018 RCR Flooring Products Ltd Joint system for concrete slabs
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4332504, Nov 05 1979 Expansion joints for roads
5092091, May 07 1990 Concrete control key-joint and divider form
5366319, Feb 04 1993 Kansas State University Research Foundation Expansion joint assembly having load transfer capacity
20040107661,
D538949, Feb 28 2005 Stegmeier, LLC. Form insert for forming a joint
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 22 2012Permaban Limited(assignment on the face of the patent)
Jul 12 2012KEEN, ANDREWPermaban LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0289050316 pdf
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