USD333015SExpiredUtility

Nasal mask

91
Assignee: LIFECARE INT INCPriority: Dec 2, 1991Filed: Dec 2, 1991Granted: Feb 2, 1993
Est. expiryDec 2, 2011(expired)· nominal 20-yr term from priority
Inventors:Robert B. FarmerR. Scott St. John
91
PatentIndex Score
288
Cited by
6
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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