Window insulation

Details Window insulation Window insulation

1984-04-19

1986-11-25

Friedman, Carl D.

Movable or removable closures

With means mounting closure for reciprocation

Diverse or springy material guide or slide

49415, 49485, 52204, E06B 104

Patent

active

046240772

ABSTRACT:
An improved technique for providing air tight insulation for a window, particularly a double-hung window, in which there is provided a window panel separating bead for carrying one or more gaskets extending longitudinally of the bead and adapted to be in a folded engaged position for providing an air tight seal between the window panel frame and the bead.

REFERENCES:
patent: 349877 (1886-09-01), Everett
patent: 505315 (1893-09-01), Kirby
patent: 1100424 (1914-06-01), Erlinder
patent: 1302480 (1919-04-01), Soule
patent: 1674754 (1928-06-01), Wolff
patent: 1796837 (1931-03-01), Fisher
patent: 1806018 (1931-05-01), Julien
patent: 2200548 (1940-05-01), Grady et al.
patent: 2662255 (1953-12-01), Serley et al.
patent: 2917788 (1959-12-01), Kunkel
patent: 3086259 (1963-04-01), Klein
patent: 4257202 (1981-03-01), Biro

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