최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0944410 (1992-09-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 45 인용 특허 : 0 |
A bird feeder having a feeder bowl supported by a post and having a tubular member located spacedly around the post and extending a sufficient distance below the feeder bowl to prevent a squirrel or like ground animal from reaching the feeder bowl. The side wall of the tubular member is spaced a suf
A bird feeder comprising: a container for bird food, a post adapted for anchoring in the ground and supporting said container in an elevated position, said container including floor means for exposing said food for feeding, a tubular member located adjacently below said floor means and extending gen
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