USD666724SActiveUtility

Oxygen self rescuer

Assignee: WILHELM CHRISTIANPriority: Oct 14, 2009Filed: Jan 22, 2010Granted: Sep 4, 2012

Est. expiryOct 14, 2029(~3.2 yrs left)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an oxygen self rescuer, as shown and described.

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