Door contact switch
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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 door contact switch, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D737219
Type: Grant
Filed: Nov 13, 2013
Date of Patent: Aug 25, 2015
Assignee: Stego-Holding GmbH (Schwaebisch Hall)
Inventor: Elmar Mangold (Unterschneidheim)
Primary Examiner: Thomas Johannes
Assistant Examiner: Shawn T Gingrich
Application Number: 29/472,511
Type: Grant
Filed: Nov 13, 2013
Date of Patent: Aug 25, 2015
Assignee: Stego-Holding GmbH (Schwaebisch Hall)
Inventor: Elmar Mangold (Unterschneidheim)
Primary Examiner: Thomas Johannes
Assistant Examiner: Shawn T Gingrich
Application Number: 29/472,511
Classifications
Current U.S. Class:
Switch Or Casing Therefor (18) (D13/158)