IP Library › Granted Patent US 664,875
Granted Patent S1
US 664,875 · App. 29/394,284 · Granted Aug 7, 2012

Smoke alarm

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Quick Facts
Patent No.
US 664,875
App. No.
29/394,284
Granted
Aug 7, 2012
Kind
S1
Claims (1)

The ornamental design for a smoke alarm, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2015
From: SIEMENS AKTIENGESELLSCHAFT
To: SIEMENS SCHWEIZ AG
Reel/Frame 036400/0987 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 3, 2012
From: SUN, CHANG LIN; XIE, ZENG TUAN
To: SIEMENS AKTIENGESELLSCHAFT
Reel/Frame 027980/0017 →