Window frame for an opening closure with internal channel

A window frame assembly for a closure with first inner and outer surfaces having an opening with a peripheral edge, comprising:

• A) an outer frame assembly extending over said peripheral edge and mounted against said outer surface, said outer frame assembly including second inner and outer surfaces and an internal longitudinal channel through at least predetermined portions of said outer frame assembly and said channel including a longitudinal innermost portion and a narrower neck portion continuously extend to said second inner surface;
• B) an inner frame assembly extending over the periphery of said opening and being mounted against said first inner surface, and including a third inner and outer surfaces, said third inner surface including a first plurality of through openings;
• C) a transparent member having a peripheral edge with cooperative dimensions to cover said opening and being sandwiched by said inner and outer frame assemblies and said transparent member further including a plurality of second through openings the are cooperatively disposed to be in alignment relationship with said plurality of first through openings;
• and
• D) fastening means for keeping said transparent member, inner and outer frame assemblies mounted against each other.