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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0157563 (1980-06-09) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 3 |
The pet shelter of the present invention is adapted to be mounted over the basement window opening of a house. The shelter has a double swinging door which can swing inwardly and outwardly. A locking bar pivots from a vertical position to a horizontal position in retentive engagement with the swingi
A pet shelter adapted to be mounted over an opening in a house wall, said wall having an interior surface and an exterior surface, said opening having an openable window therein, a small hole in said house wall providing communication between said interior and exterior surfaces thereof, said shelter
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