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Patent AT-E399705-T1: [Translated] COLLAPSIBLE FLOTATION DEVICE

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 10, 2026 at 07:35 PM | Dataset Last Updated: September 06, 2025
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.

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