USD303587SExpiredUtility

Anaesthetic and respiratory face mask

75
Individually held — no corporate assignee on recordPriority: Dec 18, 1987Filed: Dec 18, 1987Granted: Sep 19, 1989
Est. expiryDec 18, 2007(expired)· nominal 20-yr term from priority
Inventors:Jeffrey John QuinnBrad Quinn
75
PatentIndex Score
17
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an anaesthesia and respiratory face mask, as shown and described.

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