Upper window sash with projections for simplified sash installat

Details Upper window sash with projections for simplified sash installat Upper window sash with projections for simplified sash installat

1987-09-11

1989-05-23

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

Slide or guide feature for closure removal

49463, E05D 1516

Patent

active

048317780

ABSTRACT:
An upper sash of a frame window or door assembly which is provided with projections extending below the lower rail of the upper sash, wherein the projections engage and cooperate with a notch found on the flange of the jamb of the frame assembly in a manner so as to support and restrict movement of the upper sash.

REFERENCES:
patent: 2509582 (1950-05-01), Webster
patent: 2740998 (1956-04-01), Zitomer
patent: 2934799 (1960-05-01), Nelson, Sr.
patent: 3122797 (1964-03-01), Segre
patent: 3129470 (1964-04-01), Schneider
patent: 4079549 (1978-03-01), Wood
patent: 4087941 (1978-05-01), Wolfe

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