Stoves and furnaces – Stove doors and windows – Oven doors – ventilating
Patent
1976-02-12
1977-05-17
Sprague, Kenneth W.
Stoves and furnaces
Stove doors and windows
Oven doors, ventilating
126200, F23M 704
Patent
active
040235548
ABSTRACT:
A self-contained window unit adapted to be assembled into an oven door window opening and having means defining an air passage to allow air to flow upwardly through the door and window unit therein. The window unit is mounted on the back panel or liner of the door and comprises a window sub-assembly having a pair of glass panes held in spaced parallel relation. A front glass pane is secured to the subassembly by mounting clips. The mounting clip or clips at the top are constructed so as normally to hold the front pane against upward movement but to permit the front pane to be pressed outwardly for upward removal. The spaces between the clips allow upward flow of air through the door and window unit.
REFERENCES:
patent: 3692015 (1972-09-01), Chase et al.
patent: 3828763 (1974-08-01), Wilson
patent: 3855994 (1974-12-01), Evans et al.
patent: 3893442 (1975-07-01), Nuss
Mills Products, Inc.
Schwartz Larry I.
Sprague Kenneth W.
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