发明名称 |
Aquarium air valve system and hanger unit |
摘要 |
The present invention is a an aquarium air valve system and hanger unit for control of air entering an aquarium. The valve system has one or more valves thereon and is provided with a means for controlling the air flow from each valve. The valve system is mounted to the outer surface of the top wall of a hanger unit. The top wall is of adjustable size in order to allow secure fit over a variety of types of aquarium top frames. A valve system cover may also be provided in order to protect the valve system from accumulating metallics and debris.
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申请公布号 |
US4804012(A) |
申请公布日期 |
1989.02.14 |
申请号 |
US19870062973 |
申请日期 |
1987.06.17 |
申请人 |
PENN PLAX PLASTICS, INC. |
发明人 |
GOLDMAN, JEROME;GOLDMAN, MARVIN;PHILLIPS, GERALD;GOLDMAN, TERRY |
分类号 |
A01K63/04;(IPC1-7):F16L3/00 |
主分类号 |
A01K63/04 |
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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