Plunger
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Description
The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a plunger, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D744643
Type: Grant
Filed: Apr 1, 2014
Date of Patent: Dec 1, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Stefan Eckstein (München), Andreas Boehm (Reichling), Marc Peuker (Schöndorf)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/486,601
Type: Grant
Filed: Apr 1, 2014
Date of Patent: Dec 1, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Stefan Eckstein (München), Andreas Boehm (Reichling), Marc Peuker (Schöndorf)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/486,601
Classifications
Current U.S. Class:
Syringe, Catheter Or Needle Component (22) (D24/130)