USD296352SExpiredUtility
Portable water purification unit
Individually held — no corporate assignee on recordPriority: Dec 1, 1986Filed: Dec 1, 1986Granted: Jun 21, 1988
Est. expiryDec 1, 2006(expired)· nominal 20-yr term from priority
Inventors:Robert S. Luzenberg
69
PatentIndex Score
14
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a portable water purification unit, as shown and described.
Join the waitlist — get patent alerts
Track USD296352S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.