发明名称 |
Infant mattress with curved top surface |
摘要 |
Embodiments of the present invention provide an apparatus to be used as an alternative infant mattress having a curved top surface which is formed based on a curve comprising a segment of sine wave and a segment of tail line. The segment of sine wave preferably consists of a partial wave crest and a full wave trough. The length of the apparatus is preferably identical to the wave length of the sine wave.
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申请公布号 |
US7930784(B2) |
申请公布日期 |
2011.04.26 |
申请号 |
US20090584602 |
申请日期 |
2009.09.09 |
申请人 |
JEW LEON EMMANUEL;JEW SYDNEY FURAN;JEW LEONA BONANZA |
发明人 |
JEW LEON EMMANUEL;JEW SYDNEY FURAN;JEW LEONA BONANZA |
分类号 |
A47C27/00 |
主分类号 |
A47C27/00 |
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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