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Patent
   D438312
Priority
Sep 07 1998
Filed
Mar 08 1999
Issued
Feb 27 2001
Expiry
Feb 27 2015
Inventors
Loy, Olive…
Assg.orig
Systems AG
Assg.curr
Systems AG
Entity
unknown
Referenced by
8
References
7
Maint.:
n/a
The ornamental design for locking device, as shown and described.

FIG. 1 is a front perspective view of the design for locking device.
INVENTORS:

Loy, Oliver Michael, Umundum, Dietmar

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D556915, Aug 30 2006 Levent, Incorporated Retractable stanchion
D559405, Aug 30 2006 Levent, Incorporated Cord stanchion device
D777346, Jul 18 2014 REVENUE COLLECTION SYSTEMS FRANCE SAS Automatic access gate
D893756, Nov 30 2017 MAGNETIC AUTOCONTROL GMBH Three bar access control gate with color authentication
D905275, Dec 11 2018 Kone Corporation Access gate frame with blades
D905276, Dec 11 2018 Kone Corporation Access gate frame without blades
D905277, Dec 11 2018 Kone Corporation Access gate open with blades
D905278, Dec 11 2018 Kone Corporation Access gate open without blades
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1049587,
2144718,
6012252, Nov 16 1995 Skidata AG Turning blocking device
D284512, Jun 06 1984 Cubic Western Data Fare processing gate unit
D358220, May 14 1993 GUNNEBO ITALDIS S P A Turnstile
D427879, Sep 07 1998 Systems AG Locking device
D428498, Sep 07 1998 Systems AG Locking device
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 08 1999Systems AG(assignment on the face of the patent)
Apr 29 1999LOY, OLIVERSystems AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099610353 pdf
Apr 29 1999UMUNDUM, DIETMARSystems AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0099610353 pdf
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