Ventilation – Having inlet airway – Including specific cover or shield for exterior vent opening
Reexamination Certificate
2006-08-29
2006-08-29
Boles, Derek S. (Department: 3749)
Ventilation
Having inlet airway
Including specific cover or shield for exterior vent opening
C454S275000
Reexamination Certificate
active
07097557
ABSTRACT:
An insulated crawlspace vent to provide airflow in a crawlspace in the summer and insulate it in the winter. An aluminum extrusion built as a picture frame is glued to the opening in the foundation of the crawlspace. An insulated door closes from the outside and is latched shut to keep out the cold.
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Boles Derek S.
Burt Pamela S.
Weiner Irving M.
Weiner & Burt, P.C.
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