Expandable window device

Details Expandable window device Expandable window device

1980-06-02

1982-06-08

Kannan, Philip C.

Movable or removable closures

Frame with closure feature

Adjustable frame

49 63, E06B 104

Patent

active

043332722

ABSTRACT:
An expandable window device usable as a storm window includes a track frame for supporting a pair of slidable window sashes. The edges of the track frame are received within U-shaped expander channels adjustable with respect to the track frame for engaging a window casing prior to installation of the window sashes in the track frame.

REFERENCES:
patent: 1496525 (1924-06-01), Coco
patent: 2727596 (1955-12-01), Smith
patent: 2846000 (1958-08-01), Kammerer
patent: 2856040 (1958-10-01), Dansereau
patent: 2923351 (1960-02-01), Zitomer
patent: 3226779 (1966-01-01), Rust
patent: 3325944 (1967-06-01), Crain
patent: 3584417 (1971-06-01), Gatton et al.
patent: 3967412 (1976-07-01), Governale

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