发明名称 |
Window frame construction |
摘要 |
This invention relates to a window frame construction. In practice, on installation of window frames comprising top and side members, the junctures or top corners thereof are frequently open slightly or out of registry forming a weak structure of non-workmanlike appearance. Pursuant to the invention, a window frame construction is provided including an elongated or top window frame bar and side window frame bars assembled with their ends in abutting juncture.
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申请公布号 |
US4228630(A) |
申请公布日期 |
1980.10.21 |
申请号 |
US19780883526 |
申请日期 |
1978.03.06 |
申请人 |
ENGLERT METALS CORP. |
发明人 |
ENGLERT, HERBERT U.;DEMRAY, JACK |
分类号 |
E06B3/988;(IPC1-7):E04C2/38;E06B3/00 |
主分类号 |
E06B3/988 |
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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