Movable or removable closures – Responsive to or directly actuated by ambient fluid
Patent
1995-01-05
1997-04-29
Kannan, Philip C.
Movable or removable closures
Responsive to or directly actuated by ambient fluid
49 67, 49501, 454195, E05F 1520
Patent
active
056237839
ABSTRACT:
A vented glass door includes a rectangular frame having a glass window fitted in the center thereof. At least one air passageway is provided commencing at the rear surface of the frame members, and passing through the frame members themselves and outwardly through an outlet opening at the edges of the frame members.
REFERENCES:
patent: 2871523 (1959-02-01), Negoro
patent: 3391628 (1968-07-01), Ziegenfelder
patent: 4048756 (1977-09-01), Lawrence
EMCO Enterprises, Inc.
Kannan Philip C.
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