FIRE RATED PET DOOR ASSEMBLY AND ACTIVATION SYSTEM
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United States of America Patent
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Issued Date -
Sep 17, 2020
app pub date -
Dec 23, 2019
filing date -
Mar 15, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A fire rated pet door closure and assembly adapted to be mounted on the attached garage side of a fire wall or fire door in part defining an enclosure such as a house or living area over a pet door access passageway opening from the inside of the fire wall or fire door to the outside thereof which pet door is normally selectively open, for pet egress. The onset of a fire/heat emitting emergency mechanical fusible apparatus is provided such that the fire rated pet door closure supporting release link apparatus with a predetermined release temperature activates a latch support for the fire rated pet door closure panel which automatically closes via gravity sealing the pet door access passageway with intumescent smoke and draft seals.
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