Gas or carbon monoxide alarm
Description
The claimed gas or carbon monoxide alarm is an electronic device that serves to warn of a high level of carbon monoxide or other gases in the atmosphere by means of a sound or signal.
Claims
The ornamental design for a gas or carbon monoxide alarm, as shown and described.
Referenced Cited
Patent History
Patent number: D553530
Type: Grant
Filed: Jun 16, 2006
Date of Patent: Oct 23, 2007
Inventor: Kin Wah Chan (Chai Wan)
Primary Examiner: Antoine D. Davis
Application Number: 29/247,412
Type: Grant
Filed: Jun 16, 2006
Date of Patent: Oct 23, 2007
Inventor: Kin Wah Chan (Chai Wan)
Primary Examiner: Antoine D. Davis
Application Number: 29/247,412
Classifications
Current U.S. Class:
D10/106;
Chemical (12) (D10/81)