USD310707SExpiredUtility

Portable water purifier for home use

Assignee: UNITED ENVIRONMENTAL TECHPriority: Jan 28, 1988Filed: Jan 28, 1988Granted: Sep 18, 1990

Est. expiryJan 28, 2008(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a portable water purifier for home use, as shown and described.

Join the waitlist — get patent alerts

Track USD310707S — get alerts on status changes and closely related new filings.

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