发明名称 |
Insulated crawlspace vent apparatus, and methods of installing same |
摘要 |
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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申请公布号 |
US7097557(B2) |
申请公布日期 |
2006.08.29 |
申请号 |
US20040984427 |
申请日期 |
2004.11.09 |
申请人 |
KUTSCHMAN RICHARD FREDERICK |
发明人 |
KUTSCHMAN RICHARD FREDERICK |
分类号 |
F24F13/06;E04B1/70;F24F13/08 |
主分类号 |
F24F13/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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