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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0175944 (1988-03-31) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 6 인용 특허 : 2 |
A prefabricated door light unit comprises a rectangular ringlike frame units which project into the window opening from opposites thereof and are fixably mountable therein. The frame units define a window opening therethrough and have cooperating means for permitting the units to slidably telescope
A prefabricated door light unit for use in an opening formed in a door, said door light unit comprising: (a) ringlike frame means adapted to be fixedly mounted in said door opening and defining therein a window opening; (b) door means mounted on said frame means for covering said window opening; (c)
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