USD357311SExpiredUtility

Ionizer

78
Assignee: AMERICAN ENV SYSTEMS INCPriority: Nov 15, 1993Filed: Nov 15, 1993Granted: Apr 11, 1995
Est. expiryNov 15, 2013(expired)· nominal 20-yr term from priority
Inventors:James E. Yehl
78
PatentIndex Score
22
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a free standing room air ionizer used in a system for cleaning room air of particulates, as shown and described.

Join the waitlist — get patent alerts

Track USD357311S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.