Heat and smoke detector
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No claim is made to the portions shown in dashed shadow lines in the images. The interior portions of the item are also shown in dashed shadow lines and are also not claimed. Minor opening holes are also not claimed and are shown in dashed shadow lines. The surface is lined for contour and no claim is made to the contour designations. The bottom is unadorned and no claim is made to the bottom surface as the item is claimed as if on a surface.
Claims
The ornamental design for a heat and smoke detector, as shown and described.
Type: Grant
Filed: Mar 8, 2011
Date of Patent: Feb 12, 2013
Assignee: Hochiki Corporation (Tokyo)
Inventors: Koichiro Kawaguchi (Tokyo), Hidetaka Irumano (Tokyo), Manabu Matsumoto (Tokyo), Masashi Arikawa (Tokyo)
Primary Examiner: George D Kirschbaum
Application Number: 29/387,045