USD420128SExpiredUtility

CPAP face mask

Assignee: VITAL SIGNS INCPriority: Nov 12, 1998Filed: Nov 12, 1998Granted: Feb 1, 2000

Est. expiryNov 12, 2018(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

I claim the ornamental design for the CPAP face mask, as shown and described.

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