Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 27, 2011
Patent Application Number
12023574
Date Filed
January 31, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed herein are heaters for dispensing volatile air treatment chemicals. Semi-circular electrical contacts are provided in a ring-type heater, and alignment and anchoring features are provided to facilitate use of a spring to accommodate thermal expansion.
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