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.
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
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