USD428987SExpiredUtility

Nasal mask shell

Assignee: RESMED LTDPriority: Feb 25, 1997Filed: Aug 25, 1997Granted: Aug 1, 2000

Est. expiryFeb 25, 2017(expired)· nominal 20-yr term from priority

PatentIndex Score

129

Cited by

186

References

Claims

exact text as granted — not AI-modified

The ornamental design for a nasal mask shell, as shown and described.

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