USD277513SExpiredUtility

Medical face mask

47
Assignee: PARSONS DAVID E JPriority: Nov 5, 1981Filed: Mar 8, 1982Granted: Feb 5, 1985
Est. expiryNov 5, 2001(expired)· nominal 20-yr term from priority
Inventors:David ParsonsPaul D. O'ReillyRonald H. Crawford
47
PatentIndex Score
6
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a medical face mask, as shown.

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