发明名称 PERSONAL FLOTATION DEVICE HAVING SELECTIVELY INFLATABLE BLADDERS
摘要 <p>An improved structure for a personal floatation device that is relatively comfortable to wear when not in use includes a primary bladder that is shaped to extend about a waist of a user. The personal flotation device also includes a secondary bladder that is in fluid communication with the primary bladder and is shaped to extend upwardly from the waist across a stomach of the user. Lastly, the personal flotation device includes a tertiary bladder that is in fluid communication with the secondary bladder and is shaped to is adapted to across the front of a chest of the user.</p>
申请公布号 WO2013126705(A1) 申请公布日期 2013.08.29
申请号 WO2013US27326 申请日期 2013.02.22
申请人 MALCOLM, ADAM, J.;KASEN, SCOTT 发明人 MALCOLM, ADAM, J.;KASEN, SCOTT
分类号 B63C9/105;B63C9/125;B63C9/18 主分类号 B63C9/105
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