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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0974726 (1997-11-19) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 | 피인용 횟수 : 61 인용 특허 : 7 |
The building block is provided. The block is substantially rectangular and has opposed first and second ends. First and second substantially congruent rectangular panels extend between the ends and are joined together by at least one web. Each panel has vertical end edges that are notched to fit wit
[ The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:] [1.]1. Interfitting building blocks for wall construction, including straight stretcher blocks for constructing courses, and corner blocks, each said stretcher block comprising a buildi
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