US Patent 7811145 Collapsible flotation device
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Patent abstract
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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US Patent 07811145 Collapsible flotation device US Patent 7811145 Collapsible flotation device
Infobox
Patent Number
0781114500
Patent Number
781114500
Edits on 28 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
078111450
Date of Patent
October 12, 2010
0Patent Application Number
124002140
Date Filed
March 9, 2009
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
078111450
Date of Patent
October 12, 2010
0Patent Application Number
124002140
Date Filed
March 9, 2009
0Official Website
Patent Primary Examiner
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US Patent 07811145 Collapsible flotation device
Infobox
Is a
Patent jurisdiction
Patent number
07811145
Date of patent
October 12, 2010
Patent application number
12400214
Date Filed
March 9, 2009
Patent primary examiner
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