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The ornamental design for a smoke alarm, as shown and described.
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The bottom of the smoke detector is substantially unornamented. No claim is made to the bottom of the smoke detector.
Sun, Chang Lin, Xie, Zeng Tuan
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 15 2011 | Siemens Aktiengesellschaft | (assignment on the face of the patent) | / | |||
Jul 25 2011 | SUN, CHANG LIN | Siemens Aktiengesellschaft | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027980 | /0017 | |
Jul 25 2011 | XIE, ZENG TUAN | Siemens Aktiengesellschaft | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 027980 | /0017 | |
Jun 18 2015 | Siemens Aktiengesellschaft | SIEMENS SCHWEIZ AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 036400 | /0987 |
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