Programmable logic controller (PLC)
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Description
The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design.
Claims
The ornamental design for a programmable logic controller (PLC), as shown and described.
Referenced Cited
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Patent History
Patent number: D733665
Type: Grant
Filed: Jun 15, 2012
Date of Patent: Jul 7, 2015
Assignee: Siemens Aktiengesellschaft (Munich)
Inventor: Ulrich Ringer (Amberg)
Primary Examiner: Selina Sikder
Application Number: 29/424,798
Type: Grant
Filed: Jun 15, 2012
Date of Patent: Jul 7, 2015
Assignee: Siemens Aktiengesellschaft (Munich)
Inventor: Ulrich Ringer (Amberg)
Primary Examiner: Selina Sikder
Application Number: 29/424,798
Classifications
Current U.S. Class:
Programmable Controller (D13/162.1)