USD274837SExpiredUtility

Air purifier

85
Assignee: PYRAMID PRODUCTS INCPriority: Nov 29, 1982Filed: Nov 29, 1982Granted: Jul 24, 1984
Est. expiryNov 29, 2002(expired)· nominal 20-yr term from priority
Inventors:Patrick E. Lynch, Jr.James M. Wimsatt
85
PatentIndex Score
23
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air purifier, as shown and described.

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