发明名称 |
COLLAPSIBLE FLOTATION DEVICE |
摘要 |
A device comprises a spring and a sleeve. The spring is configured to form a closed loop. The spring is moveable between a coiled configuration when the spring is collapsed and an uncoiled configuration when the spring is expanded. The spring defines a circumference while in the uncoiled configuration. The spring is disposed within the sleeve. |
申请公布号 |
US2012088418(A1) |
申请公布日期 |
2012.04.12 |
申请号 |
US201113328779 |
申请日期 |
2011.12.16 |
申请人 |
ARIAS DAVID A.;KELSYUS, LLC |
发明人 |
ARIAS DAVID A. |
分类号 |
B63B35/73;B63C9/08;A47C17/02;B63B7/08;B63C9/04 |
主分类号 |
B63B35/73 |
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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