USD497664SExpiredUtility

Air purifying unit

52
Assignee: CITYWIDE MACHINE WHOLESALE INCPriority: Sep 30, 2003Filed: Sep 30, 2003Granted: Oct 26, 2004
Est. expirySep 30, 2023(expired)· nominal 20-yr term from priority
Inventors:Krishan Kumar Puri
52
PatentIndex Score
10
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the air purifying unit, as shown and described.

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