Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 14, 2009
Patent Application Number
11400451
Date Filed
April 6, 2006
Patent Primary Examiner
Patent abstract
A thermal barrier apparatus includes a lens cell with a vacuum chamber, the lens cell having opposing lenses, and a one-way gas valve coupled to the lens cell to allow venting of the vacuum chamber in response to thermal expansion of gas in the vacuum chamber.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
