发明名称 |
Upper window sash with projections for simplified sash installation and removal |
摘要 |
An upper sash of a frame window or door assembly which is provided with projections extending below the lower rail of the upper sash, wherein the projections engage and cooperate with a notch found on the flange of the jamb of the frame assembly in a manner so as to support and restrict movement of the upper sash.
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申请公布号 |
US4831778(A) |
申请公布日期 |
1989.05.23 |
申请号 |
US19870095612 |
申请日期 |
1987.09.11 |
申请人 |
CAPITOL PRODUCTS CORPORATION |
发明人 |
SCHMIDT, DIETRICH F.;JOHNSON, DAVID R.;JACKSON, J. CARSON |
分类号 |
E06B3/44 |
主分类号 |
E06B3/44 |
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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