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Nitro Patents

United States Patent Marking for Nitro Sleeping Bag made from September 15, 2017, until this list is next revised. Each list of patents by product name applies to all Nitro Sleeping Bag sizes and fill types (down or synthetic).

Nitro 800 35 Degree Regular, Long
U.S. Patent No. D789033

Nitro 800 20 Degree Regular, Long, Women’s
U.S. Patent No. D789033

Nitro 800 0 Degree Regular, Long, Women’s
U.S. Patent No. D789033

If you have any questions about this list, please contact Sierra Designs at 800-736-8592.

Return to Patented Products page.

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