USD431077SExpiredUtility

Nasal mask

Assignee: RESPIRONICS INCPriority: Mar 5, 1999Filed: Mar 5, 1999Granted: Sep 19, 2000
Est. expiryMar 5, 2019(expired)· nominal 20-yr term from priority
83
PatentIndex Score
25
Cited by
60
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a nasal mask, as shown and described.

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