USD507831SExpiredUtility

Nasal mask

70
Assignee: INVACARE CORPPriority: Mar 22, 2002Filed: Feb 23, 2004Granted: Jul 26, 2005
Est. expiryMar 22, 2022(expired)· nominal 20-yr term from priority
Inventors:Mark E. RosenkranzTom SprinkleMary Beth Whitesel
70
PatentIndex Score
17
Cited by
287
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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