Patent
   D952580
Priority
Nov 24 2017
Filed
May 23 2018
Issued
May 24 2022
Expiry
May 24 2037
Assg.orig
Entity
unknown
3
31
n/a
The ornamental design for a programmable logic controller, as shown and described.

FIG. 1 is a front view of a first embodiment of a programmable logic controller, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front and left side perspective view thereof;

FIG. 8 is a front view of a second embodiment of a programmable logic controller, showing our new design;

FIG. 9 is a rear view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a bottom view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a front and left side perspective view thereof.

Portions of the article shown in broken lines form no part of the claimed design.

Andersson, Jan, Weckert, Vincent Holger

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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 23 2018Siemens Aktiengesellschaft(assignment on the face of the patent)
Jul 13 2018WECKERT, VINCENT HOLGERSiemens AktiengesellschaftASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0464880277 pdf
Jul 16 2018ANDERSSON, JANAT-DESIGN GBRASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0464880342 pdf
Jul 16 2018AT-DESIGN GBRSiemens AktiengesellschaftASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0464880358 pdf
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