Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul John Blades0
Date of Patent
January 16, 2024
0Patent Application Number
167210370
Date Filed
December 19, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
An aircraft glazing unit including a body of transparent material and at least one subsurface thickness indicator at a predetermined depth within the material. The provision of a subsurface thickness indicator allows for the unit to be re-polished to remove erosion, whilst providing a visual indicator to ground crew of the remaining thickness of material in the unit. In this way, the service lifetime of the glazing unit can be extended.
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