Supports – Pipe or cable – Extending through plate
Patent
1981-11-19
1983-11-01
Makay, Albert J.
Supports
Pipe or cable
Extending through plate
98 39, 98 87, 2482251, 248343, F24F 700
Patent
active
044124783
ABSTRACT:
Apparatus and method for changing the temperature of a room by moving warm air into or out of a room, and for effecting its distribution. A fan is removably and reversibly mountable on a bracket located on the upper portion of a doorframe in a manner which will not interfere with the normal operation of the doorway, and circulates air from one room into an adjacent room or hallway to effect a more even, efficient heating or cooling of living and work areas.
REFERENCES:
patent: 960625 (1910-06-01), Cowles
patent: 2566630 (1951-09-01), Powers
Osher John D.
Rattray Tom
Joyce Harold
Makay Albert J.
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