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Patent
   D571652
Priority
May 10 2007
Filed
May 10 2007
Issued
Jun 24 2008
Expiry
Jun 24 2022
Inventors
Zhang, Zhu…
Assg.orig
Liberty Ha…
Assg.curr
LIBERTY HA…
Entity
unknown
Referenced by
5
References
5
Maint.:
n/a
The ornamental design for a door stop, as shown and described.

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

FIG. 2 is a side view thereof; and,

FIG. 3 is an end view thereof.
INVENTORS:

Zhang, Zhukai

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D586650, May 10 2007 LIBERTY HARDWARE MFG CORP Door stop
D587941, Jun 18 2007 ABM Group, Inc. Furniture support
D682667, May 20 2009 Doorstop
D977333, Sep 29 2022 Door stopper
D979392, May 24 2022 Yushe County Qianfengtang Electronic Technology Co., Ltd. Adjustable length headboard stopper
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
841147,
D400381, Nov 18 1996 LIBERTY HARDWARE MFG CORP Post for towel bar
D498098, Nov 05 2003 Post for bath accessory
D543708, Sep 07 2006 LIBERTY HARDWARE MFG CORP Robe hook
D556034, Apr 25 2007 LIBERTY HARDWARE MFG CORP Door stop
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 10 2007Liberty Hardware Mfg. Corp.(assignment on the face of the patent)
Jul 05 2007ZHANG, ZHUKAILIBERTY HARDWARE MFG CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0209030936 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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