US Patent 7418748 Sleeping bag with replaceable air mattress

Patent 7418748 was granted and assigned to North Pole on September, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Samuel F. Lamke0

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Patent abstract

A sleeping structure includes a sleeping bag having a top layer having a top layer opening edge and a top layer sealed edge, and a bottom layer having a bottom layer opening edge and a bottom layer sealed edge. A first fastener releasably fastens the top layer opening edge and the bottom layer opening edge at a first attachment site. An enclosure bag is releasably coupled to the bottom layer and defines a mouth. An air mattress having a perimeter and including an inflatable portion is removably inserted into the mouth.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074187480

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