Tandem window assembly system

Details Tandem window assembly system Tandem window assembly system

2006-12-12

2006-12-12

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

Window or window sash, sill, mullion, or glazing

C052S204510, C052S204600

Reexamination Certificate

active

07146769

ABSTRACT:
A unitary frame carries a primary window and a secondary window. The view area of the primary window is substantially the same as the view area of the secondary window. Two windows can be installed, to close an opening, at the same time using the frame. A frame, a secondary window and a casing can be installed as a unitary structure over an existing primary window.

REFERENCES:
patent: 4841696 (1989-06-01), Miller

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